Part 331. PART 331—ANTACID PRODUCTS FOR OVER-THE-COUNTER (OTC) HUMAN USE

• SUBPART A [§ 331.1 - § 331.1] - Subpart A—General Provisions
• SUBPART B [§ 331.10 - § 331.15] - Subpart B—Active Ingredients
• SUBPART C [§ 331.20 - § 331.21] - Subpart C—Testing Procedures
• SUBPART D [§ 331.30 - § 331.80] - Subpart D—Labeling