Terms and Conditions

Last updated: 19.01.2026 r.

§ 1. General Provisions

These terms and conditions (hereinafter: the “Terms and Conditions”) set out the rules and conditions for the use of the “SellStar” application (hereinafter: the “Application”) and of the services provided by the Service Provider.
The Application is a multi-module desktop toolbox-type platform application, offering tools for data analysis, file editing and transformation, document translation, content generation and editing, and process automation, including with the use of artificial intelligence (AI). The Application is intended both for entrepreneurs and consumers.
The Terms and Conditions constitute the terms and conditions referred to in Article 8 of the Act of 18 July 2002 on Provision of Services by Electronic Means (hereinafter: the “Act on Provision of Services by Electronic Means”).
The service provider is Arnold Sztandarski, residing at ul. Pierwiosnka 9, 83-050 Bąkowo, Poland (hereinafter: the “Service Provider”).
Contact with the Service Provider is possible via:
1. e-mail – at the address: kontakt@sellstar.pl,
2. traditional mail – at the address: ul. Pierwiosnka 9, 83-050 Bąkowo, Poland,
3. telephone – at the number: +48 733 726 606.
Pursuant to Regulation (EU) 2022/2065 of the European Parliament and of the Council of 19 October 2022 on a Single Market for Digital Services and amending Directive 2000/31/EC (Digital Services Act) (hereinafter: the “DSA”), the Service Provider has designated a contact point for direct communication with the authorities of the EU Member States, the European Commission, the Board for Digital Services, and the Service Recipients of the Application in matters covered by the DSA regulation. The contact point is available at: kontakt@sellstar.pl.
Before starting to use the Application, the Service Recipient is obliged to read the Terms and Conditions and the Privacy Policy.

§ 2. Definitions

Words written with a capital letter used in the Terms and Conditions have the following meanings:

Price List – a document or information available in the Application and on the Service Provider’s website specifying the current price of the Service, the Subscription Period, the variant of the Service operation and other conditions indicated therein; the prices in the Price List are expressed in PLN, USD or EUR (according to the choice of currency), unless stated otherwise.
Consumer – a natural person concluding with the Service Provider a legal act not directly related to their business or professional activity.
Account – a panel created in the Application’s IT system, enabling the Service Recipient to use its functionalities.
Lack of Conformity – a lack of conformity of the Service of Using the Application with the Agreement; the criteria for assessing the conformity of the Service with the Agreement concerning its supply are set out in Article 43k sections 1–2 of the Consumer Rights Act.
Trial Period – a period of 14 days during which the Service Recipient has the right to use the Service free of charge, intended for familiarizing themselves with the functionality of the Application; the Trial Period starts after activation of the Trial plan in the Application, without the participation of Paddle.
Subscription Period – the billing period for which the Service Provider makes the Service available to the Service Recipient in accordance with the Price List, as a rule monthly, unless the Price List provides otherwise.
Subscription Fee – a fee paid in advance for the Service, determined in accordance with the Price List in force at the time of its ordering; prices are expressed in PLN, USD or EUR, and applicable taxes may be added to the Subscription Fee.
Paddle – an external payment operator and Merchant of Record (seller), which sells the Service to the Service Recipient, processes payments, calculates and remits taxes, and issues accounting documents; the Service Provider remains the provider of the Service.
Opinion – an opinion of the Service Recipient about the Application, including a description of the Service Recipient’s experiences related to using the Service.
Privacy Policy – a document containing information on the processing of Service Recipients’ personal data by the Service Provider.
Terms and Conditions – a term defined in § 1 section 1 of the Terms and Conditions.
Service Recipient’s Content – all data (including personal data), electronic files, information and materials saved by the Service Recipient in the Account.
Agreement – an agreement for the supply of a digital service within the meaning of the Consumer Rights Act, under which the Service Provider undertakes to provide the Service Recipient with the Service of Using the Application during the Trial Period or for a fee under a Subscription; a condition for concluding the Agreement is creating an Account and confirming the e-mail address.
Service of Using the Application/Service – a digital service within the meaning of the Consumer Rights Act, consisting in enabling the Service Recipient by the Service Provider to use the functionalities of the Application.
Service Recipient – a client (Entrepreneur or Consumer) using the Application.
Service Provider – a term defined in § 1 section 4 of the Terms and Conditions.
Consumer Rights Act – the Act of 30 May 2014 on Consumer Rights.
Act on Provision of Services by Electronic Means – a term defined in § 1 section 3 of the Terms and Conditions.
User – a person using the Application who is a Consumer.

§ 3. Technical requirements, rules for using the services and security

In order for the Service Recipient to properly use the services provided by the Service Provider by means of the Application, it is jointly necessary to have:
1. a connection to the Internet,
2. the Application installed on the computer,
3. an active e-mail account.
Within the Application it is prohibited for Service Recipients to use viruses, bots, worms or other computer codes, files or programs (in particular scripts and applications automating processes or other codes, files or tools).
The Service Provider informs that it uses cryptographic protection of electronic transfer and digital content through the application of appropriate logical, organizational and technical measures, in particular in order to prevent third parties from accessing data, including through SSL encryption, the use of access passwords and antivirus or anti-malware programs.
The Service Provider informs that despite using the safeguards referred to in section 3 above, the use of the Internet and of services provided by electronic means may be at risk of harmful software entering the Service Recipient’s ICT system and device, or third parties gaining access to data located on that device. In order to minimize the said risk, the Service Provider recommends using antivirus programs or measures protecting identification on the Internet.
Using the Application is subject to a fee, subject to the Trial Period.
Only persons who are at least 16 years old may use the Application. If information is obtained about the Application being used by a person under 16 years of age, the Service Provider may suspend or delete the Account.
A Service Recipient using the services provided by the Service Provider is obliged to provide only data (including personal data) that are consistent with the actual state of affairs. The Service Provider is not liable for the consequences of the Service Recipient providing untrue or incomplete data.
Detailed technical requirements, including supported operating systems, minimum hardware parameters and required software versions, are made available in the Application or on the Service Provider’s website and may be subject to change as the Application develops.
The Service Recipient is responsible for the security of the device and environment they use, including for keeping the operating system, security software up to date, and for protecting the access data to the Account.
The Service Recipient is responsible for making backups of local data and of files processed in the Application, if they are stored on their device or in their environment.

§ 4. Agreement for the Provision of the Service

Under the Agreement, the Service Provider enables the Service Recipient to use the functionalities of the desktop Application to the extent resulting from the variant selected in the Price List (subscription plan).
In order to create an Account and conclude the Agreement for the use of the Application, the Service Recipient performs the following actions in the Application:
1. selects the “Sign up” option,
2. fills in the registration form with the required data,
3. is required to tick the checkbox next to the statement on having read the Terms and Conditions and Privacy Policy and on accepting their provisions,
4. clicks the „Create account” button,
5. enters the 6-digit verification code sent to the provided e-mail address and clicks „Verify email”.
Using the Application requires registration, creation of an Account and confirmation of the e-mail address with a verification code. Confirmation of the e-mail completes the registration process and enables logging into the Application.
The Trial Period does not start automatically after creating an Account. In order to activate it, the Service Recipient goes in the Application to the Subscription/Pricing tab, selects the „Trial” plan and clicks „Select Plan”. Activation takes place exclusively in the Application, without the participation of Paddle and without providing payment details. Upon effective activation of the Trial Period, a free-of-charge Agreement for the Trial Period is concluded.
After the expiry of the Trial Period, the Service Recipient may continue to use the Service for a fee by selecting in the Application the „Plus” or „Max” plan in the Subscription/Pricing tab and clicking „Select Plan”, and then completing the payment process in Paddle. Successful completion of the process in Paddle is equivalent to concluding a paid Agreement under the terms of the selected plan.
The Service Recipient retains all Service Recipient’s Content as well as the information and data entered into their Account during the Trial Period, in the event of extending the Agreement on a paid basis.
The Service Provider informs, and the Service Recipient acknowledges, that maintaining the conformity of the Service of using the Application with the Agreement requires installing its updates.
The Service Recipient may enter and process the Service Recipient’s Content, including data of third parties. The Service Recipient is the controller of such data and is responsible for having a legal basis and fulfilling information obligations towards the data subjects. The Service Provider processes this data solely for the purpose of providing the Service as a processor; upon request, it makes available a data processing agreement (DPA).
The Application does not block the entry of special categories of data within the meaning of Art. 9 GDPR. If the Service Recipient processes such data, they do so at their own responsibility, ensuring an appropriate legal basis and security measures.
Data transmitted within AI functions, including data from files, is sent only at the request of the Service Recipient via the OpenRouter proxy to the selected AI model provider. The Service Recipient is responsible for the compliance of the transmitted content with the law and the rights of third parties.
The provisions of sections 12–18 below apply exclusively to Service Recipients who are Consumers or Entrepreneurs with Consumer rights.
If the Service Recipient is not granted access to the Service immediately after concluding the Agreement, the Service Recipient calls on the Service Provider to immediately grant access to the Service. The call referred to in the preceding sentence may be sent by e-mail to the address indicated in § 1 section 5 point 1 of the Terms and Conditions. If the Service Provider does not grant the Service Recipient access to the Service immediately after receiving the call referred to in the preceding sentence, the Service Recipient may withdraw from the Agreement.
Irrespective of the provisions of section 12 above, in the event of failure to grant the Service Recipient access to the Service, the Service Recipient may withdraw from the Agreement without calling on the Service Provider to grant access to the Service if at least one of the cases indicated in Article 43j section 5 of the Consumer Rights Act occurs.
Irrespective of the provisions of sections 12–13 above, the Service Recipient may terminate the Agreement by issuing an instruction to delete the Account in the ticket system in the Application or by sending a relevant notice to support@sellstar.pl.
Withdrawal by the Service Recipient from the Agreement or its termination, irrespective of the basis for such action, takes place by submitting to the Service Provider a declaration of withdrawal from the Agreement or of its termination. The declaration referred to in the preceding sentence may be sent by e-mail to the address indicated in section 14.
In the event of a breach by the Service Recipient of the provisions of the Terms and Conditions and failure to remedy this breach despite having received a call to do so, the Service Provider may terminate the Agreement with a notice period of 7 (seven) days by submitting to the Service Recipient a declaration of termination by e-mail. After the expiry of the notice period, the Service Provider suspends the provision of the Service. During the notice period, the Service Provider may block the Service Recipient’s access to the Service if this is necessary to prevent further breaches.
The Service Provider deletes the Account immediately after receiving the declaration referred to in section 15 above, or after the expiry of the notice period referred to in section 16 above, subject to the possibility of archiving data to the extent necessary to perform legal obligations, settlements or defence against claims. Details of data processing are set out in the Privacy Policy.
The Service Recipient may request that their data be made available in JSON/CSV/XML format or another technically feasible format, as well as request the transfer of the data to a competing system, by submitting an application via the ticket system in the Application or to support@sellstar.pl. The data is made available within 30 days from submission, insofar as this is technically possible.

§ 5. Fees and settlements

The prices of services in the Price List are expressed in PLN, USD or EUR and are net amounts. Taxes (e.g. VAT) may be added to the Subscription Fee in accordance with local regulations, which will be indicated in the payment process.
Unless a specific provision of the Terms and Conditions or individual arrangements with the Service Provider state otherwise, all payments due for the Service are made by the Service Recipient via the Paddle payment system, which acts as Merchant of Record (seller), and may require redirection to an external browser window.
For the provision of the Services, the Service Recipient is obliged to pay the Subscription Fee in the amounts indicated in the Price List. Changes to the prices indicated in the Price List are announced in the Application and on the website and do not constitute amendments to these Terms and Conditions.
The payment date is deemed to be the date on which the payment is successfully charged by Paddle. Settlement documents are made available to the Service Recipient by Paddle in electronic form to the e-mail address assigned to the Account.
Payment refunds are made by Paddle to the same payment instrument. In the event of an effective withdrawal from the Agreement or an accepted complaint, the Service Provider initiates the refund in the Paddle system.
The Subscription Fee is paid automatically, cyclically in advance, in the periods indicated in the Price List, resulting from the date of conclusion of the paid Agreement.
The Service Recipient may manage the subscription (e.g. plan change, cancellation) from within the Application, including via the Paddle customer portal.
Failure to pay the Subscription Fee will result in suspension of access to the functionalities of the Application until the payment is settled.

§ 6. Price List

The current Price List is available in the Application and at: www.sellstar.pl/en/pricing.
The following plans are presented in the Price List: Trial (0 PLN / 0 USD / 0 EUR for 14 days), Plus (59 PLN / 17 USD / 15 EUR per month) and Max (139 PLN / 38 USD / 33 EUR per month), in accordance with the current version of the Price List.
The Price List may provide that a certain number of Services may be used by the Service Recipient free of charge.
The Service Provider may change the Price List at any time. Information about a change to the Price List is published in the Application and on the website.
A change to the Price List does not affect the amount of fees specified in Agreements concluded before the change to the Price List.

§ 7. Complaints – Consumers and Entrepreneurs with Consumer rights

The provisions of this paragraph apply exclusively to Consumers and Entrepreneurs with Consumer rights.
The Service delivered to the Service Recipient by the Service Provider must be in conformity with the Agreement relating to it for the entire period of delivery of the Service.
The Service Provider is liable for Non-conformity disclosed during the period of delivery of the Service.
In the event of disclosure of a Non-Conformity, the Service Recipient may submit a complaint containing a request to bring the Service into conformity with the Agreement concerning its provision.
The complaint is submitted by e-mail, to the address indicated in § 1 section 5 item 1 of the Terms and Conditions.
The complaint should contain:
1. the Service Recipient’s first name and surname,
2. e-mail address,
3. a description of the disclosed Non-Conformity,
4. a request to bring the Service into conformity with the Agreement concerning its provision.
The Service Provider may refuse to bring the Service into conformity with the Agreement concerning its provision if this is impossible or would require the Service Provider to incur excessive costs.
After examining the complaint, the Service Provider provides the Service Recipient with a response to the complaint, in which it:
1. accepts the complaint and indicates the planned date for bringing the Service into conformity with the Agreement concerning its provision,
2. refuses to bring the Service into conformity with the Agreement concerning its provision for the reasons indicated in section 7 above,
3. rejects the complaint as unfounded.
The Service Provider provides a response to the complaint by e-mail within 14 (fourteen) days from the date of its receipt.
In the event of the complaint being accepted, the Service Provider, at its own cost, brings the Services into conformity with the Agreement concerning their provision within a reasonable time from the moment of receiving the complaint and without excessive inconvenience to the Service Recipient, taking into account the nature of the service and the purpose for which it is used. The Service Provider indicates the planned date for bringing the Service into conformity with the Agreement concerning its provision in the response to the complaint.
In the event of disclosure of a Non-Conformity, the Service Recipient may submit to the Service Provider a declaration of withdrawal from the Agreement when:
1. bringing the Service into conformity with the Agreement concerning its provision is impossible or requires excessive costs,
2. the Service Provider has not brought the Service into conformity with the Agreement concerning its provision in accordance with section 9 above,
3. the Non-Conformity still occurs, despite the Service Provider having attempted to bring the Service into conformity with the Agreement concerning its provision,
4. the Non-Conformity is so significant that it justifies withdrawal from the Agreement concerning the provision of the Service without first requesting the Service Provider to bring the Service into conformity with the Agreement concerning its provision,
5. it clearly follows from the Service Provider’s statement or the circumstances that the Service Provider will not bring the Service into conformity with the Agreement concerning its provision within a reasonable time or without excessive inconvenience to the Service Recipient.
The declaration of withdrawal from the Agreement may be submitted by e-mail, to the address indicated in § 1 section 5 item 1 of the Terms and Conditions.
The declaration of withdrawal from the Agreement should contain:
1. the Service Recipient’s first name and surname,
2. e-mail address,
3. the date of provision of the Service,
4. a description of the Non-Conformity,
5. an indication of the reason for submitting the declaration, selected from among the reasons indicated in section 11 above,
6. a statement on a price reduction, including an indication of the reduced price, or a declaration of withdrawal from the Agreement.
In the event of the Service Recipient’s withdrawal from the Agreement, the Service Provider deletes the Account immediately after receiving the declaration of withdrawal from the Agreement.
Pursuant to Article 34 section 1a of the Consumer Rights Act, in the event of the Service Recipient’s withdrawal from the Agreement concerning the provision of the Service, the Service Recipient is obliged to cease using this Service and making it available to third parties.

§ 8. Complaints – Entrepreneurs

The provisions of this paragraph apply exclusively to Entrepreneurs.
In the event of disclosure of a non-conformity of the Service with the Terms and Conditions, the Service Recipient may submit a complaint.
The complaint is submitted in writing or by e-mail, to the address indicated in § 1 section 5 item 1 of the Terms and Conditions, no later than within 30 days from the date of disclosure of the non-conformity.
The complaint should contain:
1. the Service Recipient’s name,
2. e-mail address,
3. a description of the disclosed non-conformity of the Service with the Terms and Conditions.
The Service Provider may refuse to bring the Service into conformity with the Terms and Conditions if this is impossible or would require the Service Provider to incur excessive costs.
After examining the complaint, the Service Provider provides the Service Recipient with a response to the complaint, in which it:
1. accepts the complaint and indicates the planned date for bringing the Service into conformity with the Terms and Conditions,
2. refuses to bring the Service into conformity with the Terms and Conditions for the reasons indicated in section 5 above,
3. rejects the complaint as unfounded.
The Service Provider provides a response to the complaint by e-mail within 21 (twenty-one) days from the date of its receipt. In particularly complex cases, the time limit for responding to the complaint may be extended to 30 calendar days.

§ 9. Right of withdrawal from the Agreement

Pursuant to Article 27 et seq. of the Consumer Rights Act, the Service Recipient has the right to withdraw from the Agreement without giving any reason within 14 (fourteen) days from the date of its conclusion.
The Service Provider extends the right to withdraw from the Agreement also to Entrepreneurs.
The Service Recipient exercises the right of withdrawal from the Agreement by submitting to the Service Provider a declaration of withdrawal from the Agreement. To meet the deadline for withdrawal from the Agreement, it is sufficient to send the declaration before the expiry of the deadline referred to in section 1 above.
The declaration of withdrawal from the Agreement may be submitted by the Service Recipient in any form, in particular using the form constituting Annex no. 2 to the Consumer Rights Act.
In the event of submitting a declaration of withdrawal from the Agreement, the Service Provider immediately sends the Service Recipient confirmation of its receipt by e-mail.
In the event of the Service Recipient’s withdrawal from the Agreement for the provision of the Service, the Service Provider will delete the Account immediately after receiving the declaration of withdrawal from the Agreement.

§ 10. Service Recipient’s Content and Reviews

The Service Recipient may send the Service Provider Reviews concerning the services provided by the Service Provider.
Reviews may be sent in any manner, including by e-mail.
Sending a Review does not impose on the Service Provider an obligation to publish it.
A Review published by the Service Provider may be removed by the Service Provider at any time.
It is prohibited to post Service Recipient’s Content and Reviews:
1. containing untrue data, contrary to the law, the Terms and Conditions or good practices,
2. containing content used to carry out activities prohibited by law, calling for violence, hatred or insulting any group of persons or any person,
3. containing content that may violate personal rights, copyrights, image rights or other types of rights of third parties,
4. containing advertising, promotional, political, religious or discriminatory content,
5. containing content promoting activities competitive to the Service Provider.
Any person using the Application (hereinafter: the “Notifier”) is entitled to report Service Recipient’s Content or a Review that may violate the Terms and Conditions.
A report may be made in the following way:
1. by e-mail to the address: kontakt@sellstar.pl.
The report should contain the following information:
1. a sufficiently substantiated explanation of the reasons why the given Service Recipient’s Content or Review constitutes illegal content,
2. a clear indication of the exact electronic location of the information, such as the exact URL address or exact URL addresses, and, where applicable, additional information enabling identification of the Service Recipient’s Content or Review, depending on its type and the functionality of the Application,
3. the Notifier’s first name and surname or name and e-mail address, except for a report concerning information considered to be related to one of the offences referred to in Articles 3–7 of Directive 2011/93/EU,
4. a declaration confirming the Notifier’s good-faith belief that the information and allegations contained therein are correct and complete.
After receiving the report, the Service Provider sends the Notifier confirmation of its receipt to the e-mail address indicated by the Notifier.
If the notification does not contain the elements indicated in sec. 8 above or contains errors, the Service Provider may ask the Notifying Party to supplement or correct the notification within 14 days from the date of receipt of the aforementioned request. If the Notifying Party does not supplement or correct the notification within the time limit indicated in the preceding sentence, the Service Provider may leave the notification unexamined.
The Service Provider verifies the reported Service Recipient’s Content or Opinion within 14 days from the date of receipt of a complete and correct notification. As part of verification activities, if necessary, the Service Provider may ask the Notifying Party to send the necessary additional information or documents. Until the notification is examined, the Service Provider may block the visibility of the Service Recipient’s Content or Opinion.
After verifying the Notification, the Service Provider:
1. removes Service Recipient’s Content or an Opinion that violates the Terms and Conditions,
2. restores Service Recipient’s Content or an Opinion that does not violate the rules arising from the Terms and Conditions (if its visibility was blocked at the stage of verifying the Notification),
providing the justification for its decision.
In the event of removal of Service Recipient’s Content or an Opinion, the Service Provider promptly notifies both the Notifying Party and the Service Recipient who published the removed Service Recipient’s Content or Opinion, providing the justification for its decision.
The justification of the Service Provider’s decision includes:
1. an indication of whether the decision involves the removal of the Service Recipient’s Content/Opinion, blocking its visibility, de-ranking or the imposition of other measures, and, where applicable, the territorial scope of the decision and the period of its validity,
2. the facts and circumstances on the basis of which the decision was taken, including, where applicable, information on whether the decision was taken on the basis of a notification made by the Notifying Party or on the basis of voluntary verification activities carried out on the initiative of the Service Provider and, where it is absolutely necessary, the identity of the Notifying Party,
3. where applicable, information on the use of automated means in the decision-making process, including information on whether the decision was taken in relation to the Service Recipient’s Content/Opinion detected or identified using automated tools,
4. if the decision concerns potentially unlawful Service Recipient’s Content/Opinion, an indication of the legal basis or contractual basis on which the decision is founded, and explanations of the reasons why, on that basis, the given Opinion is considered unlawful content,
5. clear and user-friendly information for the Service Recipient and the Notifying Party on the possibilities available to them to appeal against the decision.
A Service Recipient whose Service Recipient’s Content or Opinion has been removed, or a Notifying Party to whom the Service Provider refuses to remove the reported Service Recipient’s Content/Opinion, may lodge an appeal against the decision of the Service Provider.
An appeal may be lodged in the following ways:
1. by e-mail – to the address: kontakt@sellstar.pl,
2. in writing, preferably by registered letter — to the address: ul. Pierwiosnka 9, 83-050 Bąkowo, Poland.
The appeal should contain:
1. the first name and surname or name of the appellant,
2. contact details (e-mail address, correspondence address),
3. a detailed justification as to why, in the opinion of the appellant, the decision of the Service Provider is incorrect and should be changed.
The Service Provider promptly confirms receipt of the appeal by sending a notification to the e-mail address indicated by the appellant.
Appeals are examined within 14 days from the date of their receipt by an authorised team of the Service Provider (these activities will not be carried out in an automated manner, without human involvement).
The Service Provider informs the appellant of the decision taken as a result of examining the appeal by e-mail, and if at the same time it considers the reported content to be unlawful content, it takes the actions provided for in the Terms and Conditions in relation thereto.
Submitting Service Recipient’s Content or an Opinion is equivalent to the Service Recipient making a declaration that they are its sole author. The Service Recipient bears full responsibility for the Service Recipient’s Content/Opinion and the consequences of its publication (including for infringements of personal rights and intellectual property rights of third parties).
Submitting Service Recipient’s Content/Opinion is equivalent to the Service Recipient granting the Service Provider a non-exclusive, royalty-free licence to use it without time and territorial limitations in the Service Provider’s promotional materials (hereinafter: the “Licence”).
The Licence entitles the Service Provider to modify the Opinion if this is necessary for its dissemination in a specific manner, without changing its essence and content.
The Licence authorises the Service Provider to grant further licences to use the Opinion to any third parties of its choice. The further licence referred to in the preceding sentence may be granted by the Service Provider for consideration or free of charge.

§ 11. Use of artificial intelligence (AI)

The Service Provider informs that the Application uses AI models available through integrations with OpenRouter and OpenAI, as well as other models made available by external providers via OpenRouter.
AI is used at the request of the Service Recipient, among other things, for data analysis, editing and transforming files, translating documents and generating content.
The Service Recipient acknowledges that the results generated by AI may contain errors, inaccuracies or hallucinations and require human verification before use.
Data entered into the Application as part of AI functions, including data from files, is transmitted via the OpenRouter proxy to external AI providers. Not all data is masked or anonymised. Some model providers, including selected providers available via OpenRouter, may use the data to train models in accordance with their own policies. The Service Recipient should familiarise themselves with the terms and policies of these providers before using the AI functions.
The Service Provider is not liable for decisions made on the basis of AI results or for infringements of third-party rights resulting from content generated by AI.
Content generated by AI is the property of the Service Recipient to the extent permitted by law, subject to the rights of AI model providers. The Service Recipient acknowledges that AI content may not be protected by copyright and that similar content may be generated for other users.
The Service Recipient undertakes to verify whether the content does not infringe the rights of third parties and to label the content as generated by AI where required by law.

§ 12. Liability and service level

The Service Provider undertakes to provide the Services with due diligence.
The Parties exclude the Service Provider’s liability for lost profits of the Service Recipient who is an Entrepreneur.
The Service Provider does not guarantee a specific level of performance, effectiveness or usefulness of the Application in relation to the specific needs and uses of the Service Recipient.
To the extent permitted by the provisions of the Civil Code and the Consumer Rights Act, the Service Provider is not liable towards the Service Recipient for the consequences of:
1. the use by Service Recipients of services or functionalities available within the Application contrary to their intended purpose,
2. the provision by Service Recipients of incorrect or untrue data,
3. the use of data authorising access to the Account by third parties, if such persons have come into possession of such data as a result of disclosure by Service Recipients or as a result of insufficient protection of such data by Service Recipients.
To the extent permitted by the provisions of the Civil Code and the Consumer Rights Act, the Service Provider is not liable for disruptions in the functioning of the Application resulting from:
1. force majeure, including unavailability of APIs of key external service providers,
2. necessary maintenance work carried out in the Application,
3. reasons attributable to the Service Recipient,
4. reasons beyond the control of the Service Provider, in particular the actions of third parties.
The Service Provider undertakes to carry out maintenance work in a manner as little burdensome as possible for the Service Recipients and, where possible, to inform them in advance of planned work.
The Service Provider undertakes, where possible, to remove disruptions in the functioning of the Application on an ongoing basis.
After termination of the Agreement the Service Provider may store data for the period necessary to perform legal obligations, settlements or defence against claims. Details concerning data retention periods are specified in the Privacy Policy.
The Service Recipient may submit a request for export of data before their deletion in the mode described in § 4 section 18 of the Terms and Conditions.

§ 13. Intellectual property of the Service Provider

All components of the Application, in particular:
1. name of the Application,
2. logo of the Application,
3. photos and descriptions,
4. rules of operation of the Application, all its graphic elements, interface, software, source code and databases
are subject to legal protection on the basis of the provisions of the Act of 4 February 1994 on copyright and related rights, the Act of 30 June 2000 – Industrial Property Law, the Act of 16 April 1993 on combating unfair competition and other provisions of generally applicable law, including provisions of European Union law.
Any use of the Service Provider’s intellectual property without its prior, express consent, in breach of the Terms and Conditions, is prohibited.
Upon conclusion of the Agreement, the Service Provider grants the Service Recipient a non-exclusive, non-assignable and non-transferable licence to use the Application solely for the Service Recipient’s own purposes, to the extent compliant with the Terms and Conditions and the functionalities of the Application.
The licence referred to in section 3 above is granted for the term of the Agreement and expires upon its termination or expiry.
The Service Recipient is not entitled in particular to:
1. decompile, reproduce the source code, modify or circumvent the security measures of the Application, unless mandatory provisions of law provide otherwise,
2. sell, rent, lease, sublicense or make the Application available to third parties in a manner going beyond permitted use,
3. remove or modify intellectual property markings or legal information.
If the Application uses open-source components, separate licences apply to those components, which are binding on the Service Recipient with regard to the use of those components.

§ 14. Out-of-court dispute resolution – Consumers and Entrepreneurs with Consumer rights

The provisions of this paragraph apply exclusively to Consumers and Entrepreneurs with Consumer rights.
A Service Recipient being a Consumer or an Entrepreneur with Consumer rights has the possibility to use out-of-court methods of handling complaints and pursuing claims.
Detailed information on the possibilities for the Service Recipient to use out-of-court methods of handling complaints and pursuing claims and the rules of access to these procedures is available at the offices and on the websites of:
1. district (municipal) consumer ombudsmen, social organisations whose statutory tasks include consumer protection,
2. Voivodeship Inspectorates of Trade Inspection,
3. the Office of Competition and Consumer Protection.

§ 15. Personal data

Information on the processing of personal data by the Service Provider can be found in the Privacy Policy available in the Application and at: www.sellstar.pl/en/privacy-policy/.

§ 16. Change of the Service – Consumers and Entrepreneurs with Consumer rights

The provisions of this paragraph apply exclusively to Consumers and Entrepreneurs with Consumer rights.
The Service Provider may make a change to the Service in the event of:
1. the need to adapt the Service to newly emerging devices or software used by Users to use the Service,
2. the Service Provider’s decision to improve the Service by adding new functionalities to it or modifying existing functionalities,
3. a legal obligation to make changes, including an obligation to adapt the Service to the current legal status.
A change of the Service may not be associated with any costs on the part of the Service Recipient.
The Service Provider informs the Service Recipient about the change made to the Service by placing on the Account a message informing about the changes. Independently, information about the change made may be sent to Service Recipients by e-mail.
If the change of the Service will materially and negatively affect access to the Service, the Service Provider is obliged to inform the Service Recipient of:
1. the characteristics and the date of the change and
2. the right of the Service Recipient to terminate the Agreement with immediate effect within 30 (thirty) days from making the change.
The information referred to in section 4 above is sent by the Service Provider to the Service Recipient by e-mail no later than 7 (seven) days before making the change.
Termination by the Service Recipient of the Agreement pursuant to section 5 item 2 above takes place by submitting to the Service Provider a statement on termination of the Agreement. The statement referred to in the preceding sentence may be sent by e-mail to the address indicated in § 1 section 5 item 1 of the Terms and Conditions.
Termination of the Agreement for the provision of Services pursuant to section 5 item 2 above produces the same effects as those provided for in § 7 of the Terms and Conditions in the event of withdrawal from the Agreement due to the occurrence of a Lack of Conformity.

§ 17. Amendment of the Terms and Conditions

The Service Provider may make changes to the Terms and Conditions, in particular in the event of:
1. a change in the subject of the Service Provider’s business activity,
2. the Service Provider commencing the provision of new services, modifying the services provided so far or ceasing to provide them,
3. making technical modifications to the Application requiring adjustment of the provisions of the Terms and Conditions to them,
4. a legal obligation to make changes, including an obligation to adapt the Terms and Conditions to the current legal status.
The Service Recipient will be informed about a change to the Terms and Conditions by publication of its amended version in the IT System. Independently, the amended version of the Terms and Conditions will be sent to the Service Recipient by e-mail.
The agreements concluded before the amendment of the Terms and Conditions shall be governed by the provisions of the Terms and Conditions in force at the time.
A User who does not agree to a change to the Terms and Conditions may terminate the Agreement for the use of the Application with immediate effect within 10 (ten) days from the date of receiving information about the change to the Terms and Conditions. Lack of termination is deemed to constitute consent to the change to the Terms and Conditions.
Termination of the Agreement for the use of the Application takes place by the User submitting to the Service Provider a statement on termination of this Agreement. The statement referred to in the preceding sentence may be sent by e-mail to the address indicated in § 1 section 5 item 1 of the Terms and Conditions.
Immediately upon receipt of the statement referred to in section 5 above, the Service Provider deletes the Account.

§ 18. Final provisions

The Terms and Conditions are governed by Polish law. Any disputes arising under these Terms and Conditions will be resolved through amicable negotiations, and if no agreement is reached – before a common court having jurisdiction over the registered office of the Service Provider.
In matters not regulated in the Terms and Conditions, the provisions of generally applicable Polish law shall apply.