---
kind: "section"
citation: "20 C.F.R. § 225.31"
title: "20"
number: "225.31"
heading: "PIA's to which DRC's are added."
url: "https://uscodex.org/cfr/20/225.31"
---

# §225.31. PIA's to which DRC's are added.

- (a) **DRC's can be added to the following PIA's when used in computing the following benefits—**
  - (1) **Tier I PIA used in computing a retirement employee annuity.**
  - (2) **Overall Minimum PIA used in computing a retirement employee annuity.**
  - (3) Survivor Tier I PIA used in computing a widow(er), remarried widow(er) or surviving divorced spouse annuity based on age or disability.
  - (4) Employee RIB PIA used in computing a widow(er), remarried widow(er) or surviving divorced spouse annuity based on age or disability.
  - (5) RLS PIA used in computing the amount of the residual lump-sum payable (as explained in [part 234](/cfr/20/part234.md) of this chapter).

## Notes

### Authority

Authority: 45 U.S.C. 231f(b)(5).

### Source

Source: 54 FR 12903, Mar. 29, 1989, unless otherwise noted.