The Contracting Officer shall retain the acquisition milestone schedule in the contract file and update/revise it to track progress of the acquisition. The milestone schedule signatories (see the Requirements and Responsibilities section of the AP--Part V of the table) shall mutually agree to any revisions to the milestone dates that will impact meeting the scheduled award date. Milestone schedule signatories shall report a failure to meet established milestones to a higher level official in accordance with OPDIV procedures.