[Code of Federal Regulations] [Title 21, Volume 7] [Revised as of April 1, 2005] From the U.S. Government Printing Office via GPO Access [CITE: 21CFR640.13] [Page 95] TITLE 21--FOOD AND DRUGS CHAPTER I--FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES (CONTINUED) PART 640_ADDITIONAL STANDARDS FOR HUMAN BLOOD AND BLOOD PRODUCTS --Table of Contents Subpart B_Red Blood Cells Sec. 640.13 Collection of the blood. (a) The source blood shall be collected as prescribed in Sec. 640.4. (b) Source blood may also be derived from Whole Blood manufactured in accordance with applicable provisions of this subchapter. [38 FR 32089, Nov. 20, 1973, as amended at 50 FR 4139, Jan. 29, 1985; 64 FR 45372, Aug. 19, 1999]