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U.S. Code of Federal Regulations
Regulations most recently checked for updates: Oct 07, 2025
All Titles
Title 21
Chapter I
Part 170
Subpart A - Subpart A—General Provisions
§ 170.3 - Definitions.
§ 170.6 - Opinion letters on food additive status.
§ 170.10 - Food additives in standardized foods.
§ 170.15 - Adoption of regulation on initiative of Commissioner.
§ 170.17 - Exemption for investigational use and procedure for obtaining authorization to market edible products from experimental animals.
§ 170.18 - Tolerances for related food additives.
§ 170.19 - Pesticide chemicals in processed foods.
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