Subscriptions {#recur-bill-subscriptions}
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Subscriptions store customer details by using a Token Management Service (TMS) token. You must have an assigned payment plan. Subscriptions consist of this information:

* Subscription code
* Subscription name
* Start date
* TMS token
* Plan: standard or one-time
* (Optional) Merchant Reference Number: the specified value will be used as the merchant reference number for all subscription payments. If no value is provided, the system will automatically generate a random number for each subsequent payment.  
  Subscriptions can be updated, activated, suspended, or canceled.