A feed manufacturing facility must possess a medicated feed mill license in order to manufacture a Type B or Type C medicated feed from a Category II, Type A medicated article.
The manufacture of the following types of feed are exempt from the required license, unless otherwise specified:
Type B or Type C medicated feed using Category I, Type A medicated articles or Category I, Type B or Type C medicated feeds; and
Type B or Type C medicated feed using Category II, Type B or Type C medicated feeds.
The use of Type B and Type C medicated feeds shall also conform to the conditions of use provided for in subpart B of this part.
This paragraph identifies each drug by category, the maximum level of drug in Type B medicated feeds, and the assay limits for the drug in Type A medicated articles and Type B and Type C medicated feeds, as follows:
When drugs from both categories are in combination, the Category II requirements will apply to the combination drug product.
For Federal Register citations affecting § 558.4, see the List of CFR Sections Affected, which appears in the Finding Aids section of the printed volume and at www.govinfo.gov.