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# Amendments: Cancel - Task settings

> Use this reference to understand the task settings of the Amendments: Cancel task.

Use this reference to understand the task settings of the Amendments: Cancel task.

* Subscription.Id - Manually enter a subscription ID, or select **Subscription.Id** or **Subscription.Number** to identify the subscription that you would like to cancel.

## SOAP

* Name - Specify a name to identify the amendment.
* Description - Optionally enter some description.
* Cancellation Date - The date when the subscription cancellation takes effect.
* Contract Effective Date - The date when the customer notifies you that they want to cancel the subscription.
* Generate Invoice - Enable if you want the workflow to generate an invoice immediately for the subscription.
* Apply Credit Balance - This option is available only when **Generate Invoice** is enabled. Enable this option if you want any credit balance on the customer account to be automatically applied to invoices.
* Process Payment - This option is available only when **Generate Invoice** is enabled. Enable this option if you want Zuora to collect payment against the invoice. The payment is processed only when **AutoPay** is enabled.

## REST

* Cancellation Policy

  * EndOfCurrentTerm - The subscription is canceled upon the end of the current term. The billing continues through the end of the current term for the applicable subscription.
  * EndOfLastInvoicePeriod - The subscription is canceled on the last day of the last invoice period.
  * SpecificDate - The subscription is canceled on a specific date.

## Concurrency Mode

**Concurrency Mode**: Controls whether Workflow processes tasks in a single or multi-threaded manner for this task type. Select **Sequential** to single-thread, or **Parallel** to allow multi-threaded processing.

If you select **Parallel**, the **Max Concurrency** setting controls the maximum number of threads for this task type that can be utilized. You can specify a value from 1 up to the allowed maximum for this task type. A value of 1 behaves the same as Sequential processing.