Section 242.1105 - Assignment of criticality designator(1) Contracting officers shall-(i) Assign criticality designator A to items with a priority 01, 02, 03, or 06 (if emergency supply of clothing) under DoD Manual 4140.01, Volume 5, DoD Supply Chain Materiel Management Procedures: Delivery of Materiel; and(ii) Ordinarily assign criticality designator C to unilateral purchase orders.(2) Only the contracting officer shall change the assigned designator.56 FR 36437, July 31, 1991, as amended at 67 FR 61516, Oct. 1, 2002, 82 FR 61481, Dec. 28, 2017