21 CFR 660.26 - Specificity tests and avidity tests.

§ 660.26 Specificity tests and avidity tests.
Specificity and avidity tests shall be performed using test procedures approved by the Director, Center for Biologics Evaluation and Research.
[53 FR 12764, Apr. 19, 1988, as amended at 67 FR 9587, Mar. 4, 2002; 70 FR 14985, Mar. 24, 2005]

Title 21 published on 2014-04-01

no entries appear in the Federal Register after this date.