This document describes requirements for coupler and drawgear used on rolling stock operating on Australian and New Zealand railways. The main purpose of the requirements is to control hazards associated with train separation and to ensure operational compatibility in the coupling of rolling stock. This document applies to new, modified, and existing rolling stock. This document covers automatic knuckle couplers, multi-function couplers, draw bars, articulated connectors, and associated equipment such as draft gear and draft gear yokes. Operation of rolling stock in regard to network safe working rules and route standards is not covered. Rolling stock used on light rail, cane railway, and monorail networks are not covered.