7 M.R.S.A. §631-A authorizes the Commissioner (of Agriculture), "...after holding public hearing, to establish and promulgate official definitions and standards and sizes for grading or classifying, packaging and labeling eggs and to change such official standards from time to time. Such official standards and sizes shall not be lower in their requirements than the minimum requirements and official standards and sizes for corresponding grades or classifications as promulgated from time to time by the Secretary of Agriculture of the United States, commonly known as U.S. Grades." The Commissioner hereby incorporates by reference as the standards for grading of Maine eggs the U.S. Standards, Grades, and Weight Classes for Shell Eggs of the U.S.D.A. Agricultural Marketing Service, effective June 30, 1975.
01-001 C.M.R. ch. 111, § I