Required disclosure under Japan's Specified Commercial Transaction Act
Commercial transaction disclosure
Last updated: 2026-04-26
This is an informational English translation of a Japan-specific legal disclosure. The Japanese version is the legally binding text.
- Seller
- Zhang Shifeng
- Address
- Disclosed without delay upon request
- Phone
- Disclosed without delay upon request
- f.shera.09@gmail.com
- Service name
- passnote.app (IT Passport Practice Notes)
- Price
- Pro membership: ¥980 / month
- Other required fees
- Internet connection fees to access the Service are borne by the user
- Payment method
- Credit card (processed via Stripe)
- Billing timing
- Charged on subscription, then automatically renewed on the same day each month
- Delivery
- Pro features become available immediately after payment is confirmed
- Refunds / cancellation
- Due to the nature of digital services, refunds are not provided in principle. You can cancel from the account page at any time; Pro features remain available through the end of the current billing period after cancellation. Cancelling within the 3-day free trial avoids any charge.
- System requirements
- Latest versions of Chrome / Safari / Firefox / Edge are recommended