5 C.F.R. § 1302.1
(b) Definitions. As used in this part:
Request for access to a record means a request made under 5 U.S.C. 552a(d)(1).
Request for amendment or correction of a record means a request made under 5 U.S.C. 552a(d)(2).
Request for an accounting means a request made under 5 U.S.C. 552a(c)(3).
Requester means an individual who makes a request for access, a request for amendment or correction, or a request for an accounting under the Privacy Act. An individual is a citizen of the United States or an alien lawfully admitted for permanent residence.
System manager means the OMB official identified in a system of records notice as the manager of a system of records; and for Government-wide systems of records, the individual designated by the agency to act on behalf of the system manager.