21 CFR 660.22 - Potency requirements with reference preparations.

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§ 660.22 Potency requirements with reference preparations.

(a)Potency requirements. Products for which reference Blood Grouping Reagents are available shall have a potency titer value at least equal to that of the reference preparation.

(b)Reference preparations. Reference Blood Grouping Reagents shall be obtained from the Food and Drug Administration, Center for Biologics Evaluation and Research, Reagents and Standards Shipping, 10903 New Hampshire Ave., Bldg. 75, Rm. G704, Silver Spring, MD 20993-0002, and shall be used as described in the accompanying package insert for determining the potency of Blood Grouping Reagents.

[ 53 FR 12764, Apr. 19, 1988, as amended at 67 FR 9587, Mar. 4, 2002; 70 FR 14985, Mar. 24, 2005; 80 FR 18093, Apr. 3, 2015]

Title 21 published on 2015-12-03

The following are ALL rules, proposed rules, and notices (chronologically) published in the Federal Register relating to 21 CFR Part 660 after this date.

  • 2016-06-15; vol. 81 # 115 - Wednesday, June 15, 2016
    1. 81 FR 38911 - Use of Symbols in Labeling
      GPO FDSys XML | Text
      DEPARTMENT OF HEALTH AND HUMAN SERVICES, Food and Drug Administration
      Final rule.
      This rule is effective September 13, 2016.
      21 CFR Parts 660, 801, and 809

Title 21 published on 2015-12-03.

The following are only the Rules published in the Federal Register after the published date of Title 21.

For a complete list of all Rules, Proposed Rules, and Notices view the Rulemaking tab.

  • 2016-06-15; vol. 81 # 115 - Wednesday, June 15, 2016
    1. 81 FR 38911 - Use of Symbols in Labeling
      GPO FDSys: XML | Text
      DEPARTMENT OF HEALTH AND HUMAN SERVICES, Food and Drug Administration
      Final rule.
      This rule is effective September 13, 2016.
      21 CFR Parts 660, 801, and 809