1 ## 9.15\. Subscription Plans 2 3 "Subscription plans" refer to the billing relationship plan details provided 4 by a mobile carrier through [`SubscriptionManager.setSubscriptionPlans()`](https://developer.android.com/reference/android/telephony/SubscriptionManager.html#setSubscriptionPlans%28int, java.util.List<android.telephony.SubscriptionPlan>%29). 5 6 All device implementations: 7 8 * [C-0-1] MUST return subscription plans only to the mobile carrier app that 9 has originally provided them. 10 * [C-0-2] MUST NOT remotely back up or upload subscription plans. 11 * [C-0-3] MUST only allow overrides, such as [`SubscriptionManager.setSubscriptionOverrideCongested()`](https://developer.android.com/reference/android/telephony/SubscriptionManager.html#setSubscriptionOverrideCongested%28int, boolean, long%29), 12 from the mobile carrier app currently providing valid subscription plans. 13
