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U.S. Code of Federal Regulations
Regulations most recently checked for updates: Aug 28, 2025
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Title 21
Chapter I
Part 181 - PART 181—PRIOR-SANCTIONED FOOD INGREDIENTS
Subpart A [§ 181.1 - § 181.5] - Subpart A—General Provisions
Subpart B [§ 181.22 - § 181.34] - Subpart B—Specific Prior-Sanctioned Food Ingredients
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