Postal Explorer > Publication 52 - Hazardous, Restricted, and Perishable Mail > 6 International Mail > 63 Restricted Matter: International Mail > 635 Controlled Substances
Controlled substances are not acceptable in international mail. Controlled substances addressed to military post offices are subject to the prohibitions in DMM 703.2.3.1, in addition to all requirements that apply to domestic mail, as contained in chapter 4 and DMM 601.11.11.