# Expansion of the Santa Maria Valley Viticultural Area
> **TTB** · Final rule; Treasury decision. · Published 2010-12-29 · Effective 2011-01-28 · 75 FR 81846
## Document
- **Document number:** 2010-32873
- **Category:** other
- **Sub-agency:** TTB
- **Federal Register citation:** 75 FR 81846
- **CFR reference:** 27 CFR 9
- **Publication date:** 2010-12-29
- **Effective date:** 2011-01-28
- **Treasury docket:** Docket No. TTB-2010-0001
## Abstract

This Treasury decision expands the Santa Maria Valley viticultural area in Santa Barbara and San Luis Obispo Counties, California, by 18,790 acres. We designate viticultural areas to allow vintners to better describe the origin of their wines and to allow consumers to better identify wines they may purchase.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2010/12/29/2010-32873/expansion-of-the-santa-maria-valley-viticultural-area)
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