1. In General Ledger, Records, Accounts, open the General Ledger cash account for the affected bank account
  2. Go to the Activity tab
  3. Double-click on the period where the check was posted
  4. In the Transaction Detail screen, select Display Details from the drop-down located in the upper left corner
  5. Locate the credit posting for the payment
  6. Right click the row and choose View Source
  7. When the check form appears, click Void in icon toolbar
  8. Select the desired Void on and Reversal Post Dates
  9. Mark the box to delete the invoice if necessary
  10. Void the payment.
  11. Close the payment and select Yes when prompted to save
  12. Go to Accounts Payable (or the module where the payment was created) and post the reversal.