Refunds on incorrectly paid amounts

Often people pay money in incorrect accounts or make finger errors when they type in the amount to be transferred to an account, then Refunds Man is the correct consultant to assist with the refund or the re-allocation of the amount paid.
We require:
1. A copy of ID
2. Power of attorney authorizing us to deal with the matter.
3. Bank-stamped proof of payment.
4. A letter (on your letterhead) explaining the reason for the request to pay the refund or to do a transfer, detailing the bank account details to which account the refund must be paid.
5. Bank-stamped proof of payment.