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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 111
Subpart N - Subpart N—Returned Dietary Supplements
§ 111.503 - What are the requirements under this subpart N for written procedures?
§ 111.510 - What requirements apply when a returned dietary supplement is received?
§ 111.515 - When must a returned dietary supplement be destroyed, or otherwise suitably disposed of?
§ 111.520 - When may a returned dietary supplement be salvaged?
§ 111.525 - What requirements apply to a returned dietary supplement that quality control personnel approve for reprocessing?
§ 111.530 - When must an investigation be conducted of your manufacturing processes and other batches?
§ 111.535 - Under this subpart N, what records must you make and keep?
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