A certificate of mailing, as provided by the United States Postal Service
, is a small piece of paper
with a hand cancel
lation mark on it that states that you have mail
ed an article of mail with a postal clerk
. It is considered by the USPS to be an official record
, however that certificate is the only
record you mailed something.
It is useful if you simply need to prove that something was mailed. If you need evidence of receipt, you use certified mail and tack on a return receipt for good measure.
Cost for this is 90 cents.