43 C.F.R. § 2.225

(a) The Privacy Act requires publication of a notice in the Federal Register describing each system of records subject to the Act. Such notice will be published prior to the establishment or a revision of the system of records. 5 U.S.C. 552a(e)(4).

(b) Each bureau shall notify the Departmental Privacy Act Officer promptly of any modifications or amendments which are required in the then-current notice describing a system of records for which it is responsible.

(c) A bureau desiring to establish a new system of records or a new use for an existing system of records shall notify the Departmental Privacy Act Officer, no fewer than ninety (90) calendar days in advance.