New York Laws
Article 5-C - Licensing of Rendering Plants
96-Z-7 - Labeling.

ยง 96-z-7. Labeling. All products except hides, tallow, meat meal or
bone meal, leaving a disposal plant shall be packed in containers
approved by the commissioner, and the containers shall be clearly marked
or stamped with the legend "unfit for human consumption" in such manner
as prescribed by the commissioner.