21 CFR part 111 Subpart A General Provisions 21 CFR part 111 Subpart B Personnel 21 CFR part 111 Subpart C Physical plant and Grounds 21 CFR part 111 Subpart D Equipment and Utensils 21 CFR part 111 Subpart E Production and Process Controls System 21 CFR part 111 Subpart F Quality Control 21 CFR part 111 Subpart G Requirements for Components, Packaging and Labels. 21 CFR part 111 Subpart H Requirements of Master Manufacturing Record. 21 CFR part 111 Subpart I Requirements for Batch Production Record. 21 CFR part 111 Subpart J Requirements for holding and distributing 21 CFR part 111 Subpart K: Records and Recordkeeping 21 CFR part 111 Subpart L Returned Dietary Supplements