9 C.F.R. § 590.534
Freezing facilities
Freezing rooms, either on or off the premises, must be capable of solidly freezing, or reducing to a temperature of 10 °F or lower, all liquid egg products.
Freezing rooms, either on or off the premises, must be capable of solidly freezing, or reducing to a temperature of 10 °F or lower, all liquid egg products.