Terms of Service

Version 1.0 · Last updated: 28 August 2026 · This English version is controlling; a Polish summary is available.

Between:

• You — the merchant operating a Shopify store and using the Application.
• Us — Truewheel Software, operator of the Application. Currently operated by an individual, pre-incorporation; the registered entity’s details will be substituted here upon incorporation.

By installing or using the Application you agree to these Terms.

1. What the Application does

The Application is a technical means that helps a Shopify store meet Polish structured e-invoicing obligations. It captures and validates a buyer’s tax identifier (NIP), enriches buyer company data from public tax registries, builds a structured invoice in the FA(3) format, submits it to Poland’s KSeF — either directly with your token or through the Fakturownia partner, at your choice — and delivers and archives the resulting document.

The Application is not an accounting service, a tax advisor, or a certifying authority.

2. Your role and responsibilities — you remain the taxpayer

This is the core of the arrangement and the basis of everything below.

• You are the taxpayer. Invoices are issued in your name and under your tax identity (Podmiot1). We act as a technical means; we do not become a party to your sales.
• You supply and control the KSeF credentials. The KSeF token is minted by you through your own authorisation (e.g. profil zaufany) and stored encrypted at rest by us. You may revoke it at any time.
• You are responsible for the correctness of your seller profile (name, NIP, address, bank account) and for the tax treatment of what you sell. Where the tax category of a line cannot be derived safely, the Application refuses to guess and surfaces it for your decision.
• You choose the environment. Test and production KSeF are separate; selecting production means real, legally effective filings.
• You are responsible for using the Application in compliance with applicable law and with Shopify’s terms.

3. Account, installation and eligibility

The Application is installed from the Shopify App Store into a store you control. You must be able to bind that store lawfully. Access is per store; using it for stores you do not control requires their operator’s authorisation.

4. Fees, billing and limits

• Fees are charged through Shopify Billing and stated in USD; current plans and allowances are published on our site and in the App Store listing.
• A trial is offered with full functionality; it converts to a paid plan unless cancelled.
• Exceeding a plan’s document allowance never blocks invoicing. Documents beyond the allowance are billed at the published per-document rate. We consider blocking a legally required filing to be the wrong failure mode.
• Plan changes take effect per Shopify’s billing rules. Taxes are handled by Shopify’s billing flow where applicable.

5. Support

We aim to respond to support requests within one business day on every plan, and within 8 business hours on the Pro plan (priority queue). These are response targets, not guarantees of resolution time.

6. Availability

We aim to keep the Application available continuously, but we do not warrant uninterrupted or error-free operation. The Application depends on third parties outside our control — Shopify, KSeF (Ministry of Finance), the Fakturownia partner where selected, tax registries (Biała lista, VIES), NBP exchange rates, and our email provider. Where KSeF is unavailable, the Application follows the statutory offline procedure and re-submits once the register returns.

7. Data protection

Our processing of personal data is described in the Privacy note. Where we process buyer personal data on your behalf you are the controller and we act as a processor — specifically, a sub-processor in the Shopify processing chain; the Data Processing Agreement governs that relationship and forms part of these Terms (available on request at privacy@truewheel.app). Invoice data is subject to statutory retention that overrides erasure requests (Art. 17(3)(b) GDPR).

8. Our intellectual property

The Application, its source, and its documentation remain ours. These Terms grant you a non-exclusive, non-transferable right to use the Application while your subscription is active. Your data, your invoices, and your merchant content remain yours.

9. Limitation of liability

• The Application assists with compliance; it does not assume your tax liability. Penalties, assessments, or obligations arising from your filings remain yours.
• To the maximum extent permitted by law, our aggregate liability arising out of or relating to the Application is limited to the fees you paid for it in the twelve (12) months preceding the event giving rise to the claim.
• We are not liable for indirect, incidental, or consequential damages, or for loss of profits, revenue, or data, except where such exclusion is not permitted by law.
• Nothing here excludes liability that cannot lawfully be excluded (including for intent or gross negligence, and for statutory consumer rights where they apply).

10. Term, suspension and termination

• These Terms apply while the Application is installed.
• You may terminate at any time by uninstalling the Application.
• We may suspend or terminate for material breach, non-payment, or unlawful use, with notice where practicable.
• On termination we stop processing for you and delete what we may lawfully delete. Records under statutory retention (invoices and their audit trail) are kept for their legal period and then deleted; see the Privacy note.

11. Changes to these Terms

We may update these Terms as the Application or the law changes. Material changes will be announced through the Application or by email before they take effect. Continuing to use the Application after the effective date constitutes acceptance.

12. Governing law and disputes

The governing law and venue will be specified here upon incorporation of the operating entity. Until then, these Terms are governed by the mandatory law applicable to you as a merchant; mandatory consumer-protection and local-law rights that apply to you are in any case unaffected.

13. Contact

support@truewheel.app for questions about these Terms and the Application; privacy@truewheel.app for data-protection matters.