Originally Posted by
bearisgray
I have never been charge for a receipt.
She may have been charged for "Proof of Deposit" - Certificate of Mailing - for $1.35.
I agree that this is what the charge was for. It would have been proof that she actually mailed the package back. From the post office's web site:
Certificate of Mailing
Have evidence that you send the item when you say you did. This official record shows the date your mail was presented to USPS for mailing.
Notes
Only available at your Post Office.
Available only at the time of mailing.
Don’t lose your certificate. The Postal ServiceŽ does not keep a copy.
Use Form 3817 or Form 3877 only.
Cost
$1.35 (Form 3817)