# Small Business Size Regulations; 8(a) Business Development/Small Disadvantaged Business Status Determinations
> **US Small Business Administration** · Final rule. · Published 2011-02-11 · Effective 2011-03-14 · 76 FR 8222
## Document
- **Document number:** 2011-2581
- **Category:** final-rule
- **Agency:** US Small Business Administration
- **Federal Register citation:** 76 FR 8222
- **CFR reference:** 13 CFR 121
- **Publication date:** 2011-02-11
- **Effective date:** 2011-03-14
## Abstract

This rule makes changes to the regulations governing the section 8(a) Business Development (8(a) BD) program, the U.S. Small Business Administration's (SBA or Agency) size regulations, and the regulations affecting Small Disadvantaged Businesses (SDBs). It is the first comprehensive revision to the 8(a) BD program in more than ten years. Some of the changes involve technical issues such as changing the term "SIC code" to "NAICS code" to reflect the national conversion to the North American Industry Classification System (NAICS).

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2011/02/11/2011-2581/small-business-size-regulations-8a-business-developmentsmall-disadvantaged-business-status)
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