9 CFR 101.7 - Seed organisms.

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§ 101.7 Seed organisms.
When used in conjunction with or in reference to seed organisms, the following shall mean:
(a) Master Seed. An organism at a specific passage level which has been selected and permanently stored by the producer from which all other seed passages are derived within permitted levels.
(b) Working Seed. An organism at a passage level between Master Seed and Production Seed.
(c) Production Seed. An organism at a specified passage level which is used without further propagation for initiating preparation of a fraction.
[49 FR 22625, May 31, 1984]

Title 9 published on 2014-01-01

The following are only the Rules published in the Federal Register after the published date of Title 9.

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

  • 2014-09-18; vol. 79 # 181 - Thursday, September 18, 2014
    1. 79 FR 55968 - Viruses, Serums, Toxins, and Analogous Products; Standard Requirements; Addition of Terminology To Define Veterinary Biologics Test Results
      GPO FDSys XML | Text
      DEPARTMENT OF AGRICULTURE, Animal and Plant Health Inspection Service
      Final rule.
      Effective Date: October 20, 2014.
      9 CFR Parts 101 and 113

Title 9 published on 2014-01-01

The following are ALL rules, proposed rules, and notices (chronologically) published in the Federal Register relating to 9 CFR 101 after this date.

  • 2014-09-18; vol. 79 # 181 - Thursday, September 18, 2014
    1. 79 FR 55968 - Viruses, Serums, Toxins, and Analogous Products; Standard Requirements; Addition of Terminology To Define Veterinary Biologics Test Results
      GPO FDSys XML | Text
      DEPARTMENT OF AGRICULTURE, Animal and Plant Health Inspection Service
      Final rule.
      Effective Date: October 20, 2014.
      9 CFR Parts 101 and 113