21 CFR 211.103 - Calculation of yield.

§ 211.103 Calculation of yield.
Actual yields and percentages of theoretical yield shall be determined at the conclusion of each appropriate phase of manufacturing, processing, packaging, or holding of the drug product. Such calculations shall either be performed by one person and independently verified by a second person, or, if the yield is calculated by automated equipment under § 211.68, be independently verified by one person.
[73 FR 51932, Sept. 8, 2008]

Title 21 published on 2013-04-01

no entries appear in the Federal Register after this date.

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.

This list is taken from the Parallel Table of Authorities and Rules provided by GPO [Government Printing Office].

It is not guaranteed to be accurate or up-to-date, though we do refresh the database weekly. More limitations on accuracy are described at the GPO site.


United States Code

Title 21 published on 2013-04-01

The following are ALL rules, proposed rules, and notices (chronologically) published in the Federal Register relating to 21 CFR 211 after this date.

  • 2013-11-20; vol. 78 # 224 - Wednesday, November 20, 2013
    1. 78 FR 69604 - Current Good Manufacturing Practice and Hazard Analysis and Risk-Based Preventive Controls for Human Food; Extension of Comment Periods
      GPO FDSys XML | Text
      DEPARTMENT OF HEALTH AND HUMAN SERVICES, Food and Drug Administration
      Proposed rule; extension of comment period for the proposed rule and for its information collection provisions.
      The FDA is extending the comment period for the proposed rule referenced in the Summary. Submit either electronic or written comments on the notice of proposed rulemaking by November 22, 2013. Submit comments on information collection issues under the Paperwork Reduction Act of 1995 (the PRA) by November 22, 2013 (see the “Paperwork Reduction Act of 1995” section).
      21 CFR Parts 1, 16, 106, 110, 114, 117, 120, 123, 129, 179, and 211