48 CFR § 607.103 - Agency-head responsibilities.
The Procurement Executive is the agency head's designee for the purposes of FAR 7.103.
(d) Domestic requirements offices must develop a formal, written acquisition plan for all acquisitions exceeding $5 million. This includes base period plus all option years. The plan shall address the content requirements of FAR 7.105.
(j) Acquisition plans for service contracts with an anticipated annual expenditure exceeding $25 million must be approved by the bureau Assistant Secretary.