Positive Pay - Void a Check
In the navigation menu, click or tap Advanced Payments > Positive Pay Advanced. The Positive Pay Advanced features page appears.
In the Positive Pay navigation menu, click or tap Transaction Processing > Void a Check.
Note: Voiding a check does not place a stop payment. To process a stop payment, go to Additional Services>Stop Payment.

Select appropriate Account ID: The Account ID is the nickname that identifies this account.
Complete the following fields:
Check Number: The number of the issued check.
Check Amount: The amount the check was written for.
Issued Date: The date the check was issued.