[Code of Federal Regulations] [Title 21, Volume 7] [Revised as of April 1, 2008] From the U.S. Government Printing Office via GPO Access [CITE: 21CFR640.21] [Page 100-101] 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 Subpart C_Platelets Sec. 640.21 Suitability of donors. (a) Whole blood donors shall meet the criteria for suitability prescribed in Sec. 640.3. (b) [Reserved] (c) Plateletpheresis donors must meet the criteria for suitability as prescribed in Sec. Sec. 640.3 and 640.63(c)(6) or as described in an approved biologics license application (BLA) or an approved [[Page 101]] supplement to a BLA. Informed consent must be obtained as prescribed in Sec. 640.61. [40 FR 4304, Jan. 29, 1975, as amended at 49 FR 23834, June 8, 1984; 64 FR 56453, Oct. 20, 1999; 72 FR 45887, Aug. 16, 2007]