U.S. Federal Regulations - Issued by the TTB
The code of federal regulations (CFR) is generally updated once per year.
Titles 17-27 are updated as of April 1 of the current year.
TTB regulations for wines and distilled spirits fall under Title 27 Chapter 1:
http://www.access.gpo.gov/nara/cfr/waisidx_08/27cfrv1_08.html
Location of commonly referenced limits:
The limits for volatile acidity measured as acetic acid are listed under:
Part 4 Labeling and advertising of wine
Subpart C, Section 4.21, The Standards of Identity, Section (a) part (iv).
The limits for Total SO2 are listed under:
Part 4 Labeling and advertising of wine
Subpart C, Section 4.22, Blends, Cellar Treatments, Alteration of Class or Type.
The limit for declaration of sulfites is listed under:
Part 4 Labeling and advertising of wine
Subpart D Section 4.32, (e) Declaration of Sulfites
The limits for residual copper are listed under:
Part 24, Wine
Subpart L.Section 24.246, Materials authorized for the treatment of wine and juice
Selected State Wine Standards
California Wine Standards of Identity
The California state wine standards of identity are located in the California Code of Regulations section 17001:
http://government.westlaw.com/linkedslice/default.asp?Action=TOC&RS=GVT1. 0&VR=2.0&SP=CCR-1000
Once on the Code of Regulations website, click on the following pages to get to section 17001:
Title 17 - Public Health
Division 1 – State Department of Health Services
Chapter 5 – Sanitation (Environmental)
Subchapter 2 – Foods and Drugs
Group 2 – Definitions and Standards
Article 14 – Wine Standards and Prohibited Practices
Oregon Wine Standards of Identity
The Oregon state wine standards of identity are located in the Oregon Administrative Rules (OAR) under:
Chapter 845: Oregon Liquor Control Commission
Division 10: Manufacturers, Wholesalers, Importers
Section 280: Standards of Identity and Prohibited Practices Concerning Wine
http://arcweb.sos.state.or.us/pages/rules/oars_800/oar_845/845_010.html
Washington Wine Standards of Identity
Washington state standards of wine identity are located in the Washington Administrative Code (WAC) under:
Title 314: Liquor Control Board
Chapter 314-24: Domestic Wineries and Domestic Distributors
Section 314-24-003: Standards of Identity for wine
Subsection 2 (a)