Answer:
Don't describe the transaction as a removal or reversal of the provisional credit. Finalize the credit and reverse the duplicate credit received from the merchant, and you won't need to cover overdrafts. Use the reversed credit for the merchant to reimburse the bank for its cost in providing the Regulation E claim credit (in other words, don't make the mistake of sending it back).
First published on BankersOnline.com 6/11/12.