{"data":{"id":"us/7-cfr-58.641","jurisdiction":"us","citation":"7 CFR 58.641","heading":"Hardening and storage.","body":"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.","path":["Title 7—Agriculture","Subtitle B—Regulations of the Department of Agriculture","CHAPTER I—AGRICULTURAL MARKETING SERVICE (STANDARDS, INSPECTIONS, MARKETING PRACTICES), DEPARTMENT OF AGRICULTURE","SUBCHAPTER C—REQUIREMENTS AND STANDARDS UNDER THE AGRICULTURAL MARKETING ACT OF 1946 AND THE EGG PRODUCTS INSPECTION ACT","PART 58—GRADING AND INSPECTION, GENERAL SPECIFICATIONS FOR APPROVED PLANTS AND STANDARDS FOR GRADES OF DAIRY PRODUCTS","Subpart B—General Specifications for Dairy Plants Approved for USDA Inspection and Grading Service 1"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-7.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:24:01Z","sha256":"0fd9ef78ea7d46f8fd9afdc00c6028e418188493b08d657a3f948d50768f245c","source_id":"us-cfr","stale":true,"prev":"us/7-cfr-58.640","next":"us/7-cfr-58.642"},"notice":"GroundRules: Original legal text. Not legal advice."}