Postal Service Publications and Reference Materials

• Mailing Standards of the United States Postal Service, Domestic Mail Manual (DMM®).
• Mailing Standards of the United States Postal Service, International Mail Manual (IMM®).
• Postal Operations Manual (POM).
• Administrative Support Manual (ASM).
• Publication 14, Prohibitions and Restrictions on Mailing Animals, Plants, and Related Matter.
• Handbook EL-812, Hazardous Materials and Spill Response.
• Aviation Mail Security, Management Instructions.
• Notice 107, Let’s Keep the Mail Safe.
• Poster 298, DOT Hazardous Materials Warning Labels and Markings.
• Poster 702, Dangerous Goods Warning Labels Prohibited in International Mail.