U.S. Code of Federal Regulations

Regulations most recently checked for updates: May 23, 2025

All TitlesTitle 21Chapter IPart 4 - PART 4—REGULATION OF COMBINATION PRODUCTS
Subpart A [§ 4.1 - § 4.4] - Subpart A—Current Good Manufacturing Practice Requirements for Combination Products
Subpart B [§ 4.100 - § 4.105] - Subpart B—Postmarketing Safety Reporting for Combination Products
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