Does a business reply need a stamp? Is it necessary to use a stamp on Business Reply Envelopes? They don't use the same 1st Class or 2nd Class Indicia in the top right of the artwork as Freepost ...

Courtesy Reply Mail: 91360-2787 Business Reply Mail: (postcards only) 91360-9959 Business Reply Mail: (1 oz. envelopes only) 91360-9986 Business Reply Mail: (2 oz. envelopes only) 91360-9956 Business ...

The PO issues a Business Reply Mail permit number, which is required to return the mail, at the PO counter where the PS Form 3615 is filed (generally where the mail is returned). They are often ...