9 C.F.R. § 318.18 Handling of certain material for mechanical processing.
Title 9 - Animals and Animal Products
Material to be processed into “Mechanically Separated (Species)” shall be so processed within 1 hour from the time it is cut or separated from carcasses or parts of carcasses, except that such product may be held for no more than 72 hours at 40 °F. (4 °C.) or less, or held indefinitely at 0 °F. (−18 °C.) or less. “Mechanically Separated (Species)” shall, directly after being processed, be used as an ingredient in a meat food product except that it may be held prior to such use for no more than 72 hours at 40 °F. (4 °C.) or less or indefinitely at 0 °F. (−18 °C.) or less. [43 FR 26423, June 20, 1978, as amended at 47 FR 28256, June 29, 1982]
Title 9: Animals and Animal Products
PART 318—ENTRY INTO OFFICIAL ESTABLISHMENTS; REINSPECTION AND PREPARATION OF PRODUCTS
Subpart A—General
§ 318.18 Handling of certain material for mechanical processing.