[Code of Federal Regulations] [Title 21, Volume 4] [Revised as of April 1, 2008] From the U.S. Government Printing Office via GPO Access [CITE: 21CFR211.103] [Page 148-149] TITLE 21--FOOD AND DRUGS CHAPTER I--FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES (CONTINUED) PART 211_CURRENT GOOD MANUFACTURING PRACTICE FOR FINISHED PHARMACEUTICALS--Table of Contents Subpart F_Production and Process Controls Sec. 211.103 Calculation of yield. Actual yields and percentages of theoretical yield shall be determined at the conclusion of each appropriate phase of manufacturing, processing, [[Page 149]] packaging, or holding of the drug product. Such calculations shall be performed by one person and independently verified by a second person. Effective Date Note: At 72 FR 68069, Dec. 4, 2007, Sec. 211.103 was revised, effective Apr. 17, 2008. For the convenience of the user, the revised text is set forth as follows: TITLE 21--FOOD AND DRUGS CHAPTER I--FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES (CONTINUED) PART 211_CURRENT GOOD MANUFACTURING PRACTICE FOR FINISHED PHARMACEUTICALS--Table of Contents Subpart F_Production and Process Controls Sec. 211.103 Calculation of yield. Actual yields and percentages of theoretical yield shall be determined at the conclusion of each appropriate phase of manufacturing, processing, packaging, or holding of the drug product. Such calculations shall either be performed by one person and independently verified by a second person, or, if the yield is calculated by automated equipment under Sec. 211.68, be independently verified by one person.