21 CFR 556.167 - Colistimethate.

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There are 2 Updates appearing in the Federal Register for 21 CFR 556. View below or at eCFR (GPOAccess)
§ 556.167 Colistimethate.
A tolerance for residues of colistimethate in the edible tissues of chickens is not required.
[63 FR 13123, Mar. 18, 1998]

Title 21 published on 2014-04-01

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.

  • 2014-07-02; vol. 79 # 127 - Wednesday, July 2, 2014
    1. 79 FR 37617 - New Animal Drugs; Afoxalaner; Ceftiofur Crystalline Free Acid; Chloramine-T; Clodronate; Enrofloxacin; Eprinomectin; Fluralaner; Ivermectin and Praziquantel; Niclosamide; Ractopamine; Tylosin; Change of Sponsor's Address
      GPO FDSys XML | Text
      DEPARTMENT OF HEALTH AND HUMAN SERVICES, Food and Drug Administration
      Final rule; technical amendment.
      This rule is effective July 2, 2014.
      21 CFR Parts 510, 520, 522, 529, 556, and 558

This is a list of United States Code sections, Statutes at Large, Public Laws, and Presidential Documents, which provide rulemaking authority for this CFR Part.

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United States Code

Title 21 published on 2014-04-01

The following are ALL rules, proposed rules, and notices (chronologically) published in the Federal Register relating to 21 CFR 556 after this date.

  • 2014-07-02; vol. 79 # 127 - Wednesday, July 2, 2014
    1. 79 FR 37617 - New Animal Drugs; Afoxalaner; Ceftiofur Crystalline Free Acid; Chloramine-T; Clodronate; Enrofloxacin; Eprinomectin; Fluralaner; Ivermectin and Praziquantel; Niclosamide; Ractopamine; Tylosin; Change of Sponsor's Address
      GPO FDSys XML | Text
      DEPARTMENT OF HEALTH AND HUMAN SERVICES, Food and Drug Administration
      Final rule; technical amendment.
      This rule is effective July 2, 2014.
      21 CFR Parts 510, 520, 522, 529, 556, and 558