---
kind: "section"
citation: "48 C.F.R. § 211.170"
title: "48"
number: "211.170"
heading: "Use of proprietary specifications or standards."
url: "https://uscodex.org/cfr/48/211.170"
---

# §211.170. Use of proprietary specifications or standards.


A justification and approval is required to use proprietary specifications and standards—

- (1) When using sealed bidding or negotiated acquisition procedures (see 206.302-1(S-70) for justification requirements); or
- (2) When using the simplified procedures for certain commercial products or commercial services at FAR 13.5 (see 213.501(a)(ii) for justification requirements).

## Notes

### Amendments

[84 FR 25192, May 31, 2019, as amended at 88 FR 6581, Jan. 31, 2023]

### Authority

Authority: 41 U.S.C. 1303 and 48 CFR chapter 1.

### Source

Source: 60 FR 61594, Nov. 30, 1995, unless otherwise noted.

### Amendments

[84 FR 25192, May 31, 2019, as amended at 88 FR 6581, Jan. 31, 2023]