StacksVerified U.S. regulatory reference

7 CFR §58.641

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
Immediately after the semifrozen product is placed in its intended container it shall be placed in a hardening tunnel or hardening room to continue the freezing process. Rapid freezing to 0° to −15 °F is desirable to produce a good textured product.