21 CFR § 500.23
Thermally processed low-acid foods packaged in hermetically sealed containers
June 25, 2020
Except as provided in §507.5(b) of this chapter, the provisions of parts 507 and 113 of this chapter apply to the manufacturing, processing, or packing of low-acid foods in hermetically sealed containers, and intended for use as food for animals.
[80 FR 56337, Sept. 17, 2015]