---
kind: "section"
citation: "13 C.F.R. § 121.405"
title: "13"
number: "121.405"
heading: "May a business concern self-certify its small business size status?"
url: "https://uscodex.org/cfr/13/121.405"
---

# §121.405. May a business concern self-certify its small business size status?

- (a) A concern must self-certify it is small under the size standard specified in the solicitation, or as clarified, completed or supplied by SBA pursuant to [§ 121.402(d)](/cfr/13/121.402.md?p=d).
- (b) A contracting officer may accept a concern's self-certification as true for the particular procurement involved in the absence of a written protest by other offerors or other credible information which causes the contracting officer or SBA to question the size of the concern.
- (c) Procedures for protesting the self-certification of an offeror are set forth in [§§ 121.1001 through 121.1009](/cfr/13/121.1001..121.1009.md).

## Notes

### Authority

Authority: 15 U.S.C. 632, 634(b)(6), 636(a)(36), 662, and 694a(9).

### Source

Source: 61 FR 3286, Jan. 31, 1996, unless otherwise noted.