MIL-STD-481B, MILITARY STANDARD: CONFIGURATION CONTROL-ENGINEERING CHANGES (SHORT FORM), DEVIATIONS AND WAIVERS (15 JUL 1988) [S/S BY MIL-STD-973]., This Standard establishes the procedures for the preparation, submission and approval or disapproval of engineerings change proposals (ECPs), utilizing DD Form 1693, and requests for deviations or waivers utilizing DD Form 1694.