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# invalidProductIdentifiers

An array of product identifier strings that the App Store doesn’t recognize.

```
var invalidProductIdentifiers: [String] { get }
```

## Discussion

The App Store may not recognize your product identifiers unless you meet following criteria, as applicable:

- Agree to the latest Apple Developer Program License Agreement.
- Complete all the financial agreements as described in the [Agreements, Tax, and Banking Overview](https://help.apple.com/itunes-connect/developer/#/devb6df5ee51). When you renew your developer membership, see if you need to make updates to your agreements. When your developer membership expires, your financial agreements expire as well.
- Your app uses an explicit App ID.
- Clear the in-app purchases for sale in App Store Connect. See [Set availability for in-app purchase](https://help.apple.com/app-store-connect/#/dev360aba524).
- Modified in-app purchases are available to the App Store servers.
- The product identifier specified in App Store Connect matches the identifier used by the [`SKProductsRequest`](/documentation/StoreKit/SKProductsRequest) object in your app.
- Upload the content of your product to App Store Connect.  See [Upload in-app purchase content to App Store Connect](https://help.apple.com/xcode/mac/current/#/dev285fb60ce).

For more troubleshooting information, see [Fetching product information from the App Store](/documentation/StoreKit/fetching-product-information-from-the-app-store).

---

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