[Code of Federal Regulations] [Title 21, Volume 4] [Revised as of April 1, 2007] From the U.S. Government Printing Office via GPO Access [CITE: 21CFR211.113] [Page 143] 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-- Subpart F_Production and Process Controls Sec. 211.113 Control of microbiological contamination. (a) Appropriate written procedures, designed to prevent objectionable microorganisms in drug products not required to be sterile, shall be established and followed. (b) Appropriate written procedures, designed to prevent microbiological contamination of drug products purporting to be sterile, shall be established and followed. Such procedures shall include validation of any sterilization process. [[Page 144]]