§640.104. Potency. — Inbound Citations
21 C.F.R. § 640.104
Statutory Authority
Cited by 1 regulation in release Current.
Citations to §640.104(b)
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(d) The date of manufacture is the date of initiating the last valid measles or poliomyelitis antibody test (§ 640.104(b) (2) and (3)) whichever date is earlier.