---
kind: "section"
citation: "5 C.F.R. § 847.601"
title: "5"
number: "847.601"
heading: "Purpose and scope."
url: "https://uscodex.org/cfr/5/847.601"
---

# §847.601. Purpose and scope.

- (a) The purpose of this subpart is to establish the methodology that OPM will use to determine—
  - (1) The cost of an employee's election under [§ 847.411](/cfr/5/847.411.md) or [§ 847.421](/cfr/5/847.421.md); and
  - (2) The amount by which annuity payments may be affected as a result of the election.
- (b) This subpart applies only to CSRS and FERS benefits. The Departments of Defense, and the U.S. Coast Guard will issue regulations providing methodologies for NAFI's under their jurisdictions.

## Notes

### Authority

Authority: 5 U.S.C. 8332(b)(17) and 8411(b)(6) and sections 1131 and 1132 of Pub. L. 107-107, December 28, 2001, 115 Stat 1242; 5 U.S.C. 8347(a) and 8461(g) and section 1043(b) of Pub. L. 104-106, Div. A, Title X, Feb. 10, 1996, 110 Stat. 434. Subpart B also issued under 5 U.S.C. 8347(q) and 8461(n).

### Source

Source: 61 FR 41721, Aug. 9, 1996, unless otherwise noted.