This International Standard describes the identification of critical non-flight items in space flight hardware and the procedure to account for their complete removal prior to flight. This International Standard is used in context with project-specific quality requirements and procedures related to flight hardware and related activities prior to launch and at the launch site. Verification of removal of critical non-flight items is described in this International Standard. Removal of other non-flight items is outside the scope of this International Standard and is verified by relevant inspection procedures.