21 C.F.R. § 660.3 Reference panel.
Title 21 - Food and Drugs
A Reference Hepatitis B Surface Antigen Panel shall be obtained from the Center for Biologics Evaluation and Research (HFM–407) (see mailing addresses in §600.2 of this chapter) and shall be used for determining the potency and specificity of Antibody to Hepatitis B Surface Antigen. [40 FR 29711, July 15, 1975, as amended at 49 FR 23834, June 8, 1984; 55 FR 11013, Mar. 26, 1990; 70 FR 14985, Mar. 24, 2005]
Title 21: Food and Drugs
PART 660—ADDITIONAL STANDARDS FOR DIAGNOSTIC SUBSTANCES FOR LABORATORY TESTS
Subpart A—Antibody to Hepatitis B Surface Antigen
§ 660.3 Reference panel.
