---
kind: "section"
citation: "48 C.F.R. § 52.216-31"
title: "48"
number: "52.216-31"
heading: "Time-and-Materials/Labor-Hour Proposal Requirements—Commercial Acquisition."
url: "https://uscodex.org/cfr/48/52.216-31"
---

# §52.216-31. Time-and-Materials/Labor-Hour Proposal Requirements—Commercial Acquisition.


As prescribed in 16.601(f)(3), insert the following provision:


## Notes

### Amendments

[71 FR 74665, Dec. 12, 2006, as amended at 72 FR 6882, Feb. 13, 2007; 78 FR 13767, Feb. 28, 2013; 86 FR 61035, Nov. 4, 2021]

### Authority

Authority: 41 U.S.C. 1121(b); 40 U.S.C. 121(c); 10 U.S.C. chapter 4 and 10 U.S.C. chapter 137 legacy provisions (see 10 U.S.C. 3016); and 51 U.S.C. 20113.

### Source

Source: 48 FR 42478, Sept. 19, 1983, unless otherwise noted.

### Amendments

[71 FR 74665, Dec. 12, 2006, as amended at 72 FR 6882, Feb. 13, 2007; 78 FR 13767, Feb. 28, 2013; 86 FR 61035, Nov. 4, 2021]