(f) During contract performance, contractor requests for overtime exceeding the amount authorized by paragraph (a) of the clause at 52.222-2, Payment for Overtime Premiums, shall be submitted as stated in paragraph (b) of the clause to the office administering the contract. That office will review the request and if it approves, send the request to the contracting officer. If the contracting officer determines that the requested overtime should be approved in whole or in part, the contracting officer shall request the approval of the agency’s designated approving official and modify paragraph (a) of the clause to reflect any approval.