http://pe.usps.com/search/jsp/search/vv_docread.jsp?k2dockey=http%3A%2F%2Fpe.usps.com%2Ftext%2Fdmm300%2F604.htm%40PE_DMM300_HTML_5&serverSpec=56.0.145.56:9920&QueryParser=Simple&querytext=%284.6.1%29&dtype=2#hit0h. The address side must appear as described in this section and shown in the illustration below. Nothing may be added except a return address, FIM, or barcode.
Shows sample markings for metered reply postage.
4.6 Mailings
4.6.1 Mailing Date Format
The mailing date in meter indicia must meet the format standards in this section.
The year must be represented by all four digits or by the last two digits. Mailers may print the indicia directly onto mailpieces or onto separate labels or tape affixed to mailpieces. The mailing date format used in the indicia is also subject to the following conditions.
a. Complete Date. Mailers must use a complete date for the following:
1. All Express Mail, Priority Mail, First-Class Mail, and First-Class Package Service pieces.
2. All mailpieces with Insured Mail, COD, or Special Handling service.
3. All mailpieces prepared with the indicia printed on nonadhesive paper (e.g., computer printer paper) and affixed to the mailpiece or used as part of an insert in a window envelope.
b. Month and Year. Mailers may use a complete date or a mailing date consisting solely of the month and year in the indicia only for Standard Mail and Package Services pieces.
c. No Date. Mailers must use indicia with no mailing date for prepaid metered reply postage. As an option, mailers may use indicia with no mailing date for Standard Mail and Package Services pieces not subject to 4.6.2a.