1. Go to the constituent record, Membership tab.  Click on the membership.
  2. Under Recent Membership Transactions, click on the amount paid via check.
  3. On the payment record, click Delete under Tasks.
  4. When it asks, are you sure you want to delete this payment, click Yes.  Note: Deleting a payment leaves no record of the payment in Altru.
  5. If the payment is in a deposit, you will need to unlock the deposit, delete the payment, then lock the deposit back.