(a) The official marks required by parts 310 and 416 of this chapter for use in post-mortem inspection and identification of adulterated products and insanitary equipment and facilities are:

(1) The tag (Form MP-427) which is used to retain carcasses and parts of carcasses in the slaughter department; it is black and white, and bears the legend “U.S. Retained.”

(2) The “U.S. Retained” mark which is applied to products and articles as prescribed in part 310 of this subchapter by means of a paper tag (Form MP-35) bearing the legend “U.S. Retained.”

(3) The “U.S. Rejected” mark which is used to identify insanitary buildings, rooms, or equipment as prescribed in part 416, section 6, of this chapter and is applied by means of a paper tag (Form MP-35) bearing the legend “U.S. Rejected.”

(4) The “U.S. Passed for Cooking” mark is applied on products passed for cooking as prescribed in part 310 of this subchapter by means of a brand and is in the following form:

(5) The “U.S. Inspected and Condemned” mark shall be applied to products condemned as prescribed in part 310 by means of a brand and is in the following form:

(b) The “U.S. Retained” and “U.S. Rejected” tags, and all other brands, stamps, labels, and other devices approved by the Administrator and bearing any official mark prescribed in paragraph (a) of this section, shall be official devices for purposes of the Act.

[35 FR 15573, Oct. 3, 1970, as amended at 38 FR 29214, Oct. 23, 1973; 39 FR 36000; Oct. 7, 1974; 43 FR 29268, July 7, 1978; 64 FR 36415, Oct. 20, 1999; 65 FR 2284, Jan. 14, 2000]