Optional Fields for Amending a Plan {#recur-bill-amend-plan-opt-fields}
=======================================================================

These fields are optional for amending a plan:

orderInformation.amountDetails.billingAmount
:

orderInformation.amountDetails.setupFee
:

planInformation.billingCycles.total
:
Only increases to the number of billing cycles are allowed.

planInformation.code
:

planInformation.description
:

planInformation.name
:

processingInformation.subscriptionBillingOptions.applyTo
:
Default value is `NEW`.

Related Information
-------------------

* [API field reference guide for the REST API](https://developer.cybersource.com/docs/cybs/en-us/api-fields/reference/all/rest/api-fields/rest-api-fields-intro.md "")