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Hello All, Our app implements in app purchase as follows, The App is free to download and sign up, some features are available if monthly subscription is valid. We have implemented server side validation (app side validation is not present) so app will perform the in app purchase and forward the receipt, received from App Store, to the server. This functionality worked so far but recently we noticed that the App Store is sending invalid/expired receipt to the app, which in turn gets forwarded to the server. Upon checking the receipt data, server finds out the receipt is already expired and so server disables the paid features. We are trying to figure out process to enable user to resubscribe to the paid feature through app. Not sure if we missed something but the document we found so far, mentions to block the features or provide grace period to the users but we were not able to locate any document which explains process to enable users to resubscribes. Any pointer will be helpful. Validating Receipts: https://developer.apple.com/documentation/storekit/original_api_for_in-app_purchase/validating_receipts_with_the_app_store Please let me know if you need any additional help. Thanks in advance.