anchor.diff:  
   Use one of the other two options – *Specify Policy* or *Specify a date* – to alter when this change takes effect:
   
  -* *Specify Policy*: You can select either `IMMEDIATE` or `END_OF_TERM`. For information on these two policies, see the https://docs.killbill.io/latest/userguide_subscription.html#\_subscription_alignment_rules["Subscription Alignment Rules"] section of the \_Subscription Guide_.
  +* *Specify Policy*: You can select either `IMMEDIATE` or `END_OF_TERM`. For information on these two policies, see the https://docs.killbill.io/latest/userguide_subscription.html#_subscription_alignment_rules["Subscription Alignment Rules"] in the __Subscription Guide__.
   
   image:ChangePlan-SpecifyPolicy.png[width=350,align="center"]
   
  
positive.code: 
  Follow the steps below to update the billing cycle day (BCD) defined for a subscription. These steps assume the subscription is billed on a monthly basis.
  
  For information on how changing the BCD affects the subscription, see the https://docs.killbill.io/latest/userguide_subscription.html#\_billing_alignment_rules["Billing Alignment Rules"] section of the \_Subscription Guide_.
  
  [NOTE]
  *Note:* These steps do not change the account billing cycle day specified in the <<billing_info, Billing Info>> section on the Account page.
  
negative.code: |For monthly or quarterly subscriptions, what day of the month the invoice is created. Once this is saved for the customer, you cannot change it.
  
  *Note:* The system has three types of billing (date) alignment that affect the BCD: `ACCOUNT`, `SUBSCRIPTION`, and `BUNDLE`. For more information about the three billing alignment types, see https://docs.killbill.io/latest/catalog-examples.html[_Catalog Examples_] and
  https://docs.killbill.io/latest/userguide_subscription.html#_billing_alignment_rules["Billing Alignment Rules"] in the __Subscription Guide__.
  
  |Currency
  |The currency that the customer uses to make purchases. Once this is saved for the customer, you cannot change it.
  