9 CFR § 325.19 - Provisions inapplicable to specimens for laboratory examination, etc., or to naturally inedible articles.
The provisions of this part do not apply:
(a) To specimens of product sent to or by the Department of Agriculture or divisions thereof in Washington, DC, or elsewhere, for laboratory examination, exhibition purposes, or other official use;
(b) To material released for educational, research and other nonfood purposes, as prescribed in § 314.9 of this subchapter;
(d) To material or specimens of product for laboratory examination, research, or other nonhuman food purposes, when authorized by the Administrator, and under conditions prescribed by him in specific cases; and