[Code of Federal Regulations] [Title 21, Volume 2] [Revised as of April 1, 2006] From the U.S. Government Printing Office via GPO Access [CITE: 21CFR106.25] [Page 184-185] TITLE 21--FOOD AND DRUGS CHAPTER I--FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES (CONTINUED) PART 106_INFANT FORMULA QUALITY CONTROL PROCEDURES--Table of Contents Subpart B_Quality Control Procedures for Assuring Nutrient Content of Infant Formulas Sec. 106.25 In-process control. (a) For each infant formula, a master manufacturing order shall be prepared and approved by a responsible official of the manufacturer. The manufacturer shall establish a quality control system that assures and verifies the addition of each ingredient specified in the manufacturing order. (b) Unless each batch of finished product is analyzed as specified in Sec. 106.30(b)(1), the manufacturer shall analyze each in-process batch for: (1) Solids; (2) Protein, fat, and carbohydrates (carbohydrates either by analysis or by mathematical difference); (3) The indicator nutrient(s) in each nutrient premix; (4) Each nutrient added independently of nutrient premixes during formulation of the product, except for linoleic acid, vitamin D, vitamin K, choline, inositol, and biotin; and [[Page 185]] (5) Solids or an appropriate nutrient to confirm proper dilution when final dilution is made after performance of the analyses in paragraph (b) (1) through (4) of this section.