Section 640.13 - Collection of the blood(a) The source blood shall be collected as prescribed in § 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