Title 41
SECTION 102-192.40
102-192.40 Where can we obtain more information about the classes of mail
§ 102-192.40 Where can we obtain more information about the classes of mail?You can learn more about mail classes in the Domestic Mail Manual (DMM). The DMM is available online at http://pe.usps.gov, or you can order a copy from: Superintendent of Documents, U.S. Government Printing Office, P.O. Box 979050, St. Louis, MO 63197-9000.