(b) The policies and procedures of DFARS 217.74 shall be applied to Unpriced Change Orders (UCO) >$5M.

(b) When complying with the requirements described in DFARS 243.204-70-1, SCOs must provide a courtesy copy to the cognizant HCA workflow. Maintain proof of submission in the contract file.

(a) Contracting officers must document the contract file with the justification for the delay and revised definitization milestone schedule for UCO actions >$5M. For UCO approval authorities see MP5301.601(a)(i) .

(1) This date may not be extended beyond an additional 90 days without a written determination by the Head of the Contracting activity (HCA) for actions >$50M without further delegation and the Senior Contracting Official (SCO) with further delegation no lower than the Chief of the Contracting Office (COCO) for UCOs between $5M and $50M.

(c) See MP5301.601(a)(i).

To comply with the Consolidated UCA Management Plan and Semi-annual Consolidated UCA Management Report requirements described in DFARS 243.204-70-7, SCOs are required to ensure unpriced change orders with an estimated value exceeding $5 million are input/updated in the UCA/UCO Reporting tool on a semi-annual basis no later than April 10^th and October 10^th of each year. Special access program offices will provide the information directly to the cognizant HCA workflow , as appropriate.