9 C.F.R. § 590.534 Freezing facilities.
Title 9 - Animals and Animal Products
(a) Freezing rooms, either on or off the premises, shall be capable of freezing all liquid egg products in accordance with the freezing requirements as set forth in §590.536. Use of off-premise freezing facilities is permitted only when prior approval in writing from the National Supervisor is on file. (b) Adequate air circulation shall be provided in all freezing rooms.
Title 9: Animals and Animal Products
PART 590—INSPECTION OF EGGS AND EGG PRODUCTS (EGG PRODUCTS INSPECTION ACT)
Sanitary, Processing, and Facility Requirements
§ 590.534 Freezing facilities.