Management Instruction FM-640-2023-1 - Postal Bulletin 22657 - Contents Policies, Procedures, and Forms Updates Policies, Procedures, and Forms Updates Manuals DMM Revision: Optional 5-Digit Tray Preparatio..." /> Management Instruction FM-640-2023-1 - Postal Bulletin 22657 - Contents Policies, Procedures, and Forms Updates Policies, Procedures, and Forms Updates Manuals DMM Revision: Optional 5-Digit Tray Preparatio..." />