{"data":{"id":"us/21-cfr-171.8","jurisdiction":"us","citation":"21 CFR 171.8","heading":"Threshold of regulation for substances used in food-contact articles.","body":"Substances used in food-contact articles (e.g., food-packaging or food-processing equipment) that migrate or that may be expected to migrate into food at negligible levels may be reviewed under § 170.39 of this chapter. The Food and Drug Administration will exempt substances whose uses it determines meet the criteria in § 170.39 of this chapter from regulation as food additives and, therefore, a food additive petition will not be required for the exempted use.","path":["Title 21—Food and Drugs","CHAPTER I—FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES","SUBCHAPTER B—FOOD FOR HUMAN CONSUMPTION","PART 171—FOOD ADDITIVE PETITIONS","Subpart A—General Provisions"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-21.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:24:47Z","sha256":"7c161b015f99c16a64b2c042599733b969fbdc8cef52fe877dbc344a634ab1b7","source_id":"us-cfr","stale":true,"prev":"us/21-cfr-171.7","next":"us/21-cfr-171.100"},"notice":"GroundRules: Original legal text. Not legal advice."}