301 physical standards - postal explorer
Domestic mail manual • updated 7-28-13 301 301.1.1 commercial flats: physical standards for flats 301 physical standards 1.0 physical standards for flats
Quick service guides effective july 28, 2013 - postal explorer
Dmm usps, page 1, effective july 28, 2013 quick service guides effective july 28, 2013 100 retail letters, flats, and parcels 110 priority mail express
Dmm 601 mailability standards - postal explorer
Domestic mail manual • updated 7-28-13 601 601.1.2 mailability: general standards 601 mailability 1.0 general standards 1.1 determining mail processing categories