> For the complete documentation index, see [llms.txt](https://docs.nine-chronicles.com/introduction/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.nine-chronicles.com/introduction/legal-documents/refund-policy.md).

# Refund Policy

The Refund Policy is subject to the [Terms of Service](/introduction/legal-documents/terms-of-service.md), and refund requests that do not comply with the Terms may be denied. You can submit a refund request through the 'Submit a Request' option in the Help Center. To request a refund, please provide a valid reason along with the following information: 9C Address, payment platform, payment receipt number, and payment date.

* [Planetarium Help Center](https://planetariumhelp.zendesk.com/)

The determination and payment of fees for purchasing the Services is subject to the policies set forth by each payment service provider, which can be found at the links below.

* [Appstore](https://support.apple.com/billing)
* [Playstore](https://support.google.com/googleplay/?p=play_faq\&hl=en\&visit_id=636815741567778102-2981758831\&rd=2\&sjid=7967898207088219303-AP#topic=3364671)