Sec. 27. 7 MRSA §528, as amended by PL 1973, c. 625, §38, is further amended to read:

§528. Exemptions

Neither this subchapter nor regulations promulgated under this subchapter shall preclude the continued use of returnable or reusable glass containers for beverages in inventory or with the trade as of October 1, 1969 or any such regulation, nor shall any regulation or this subchapter preclude the orderly disposal of packages or containers in inventory or with the trade as of the effective date of such regulation or of this subchapter.

All packages of consumer commodities which that have been labled labeled in accordance with federal regulations established by the United States Secretary of Health, Education and Welfare Department of Health and Human Services, the Federal Trade Commission or by the United States Department of Agriculture shall not be included under are in compliance with this subchapter.

Sec. 28. 7 MRSA §631-A, as amended by PL 1977, c. 694, §67, is further amended to read:

§631-A. Official standards

The commissioner is authorized, after holding public hearing, to may by rule establish and promulgate, in a manner consistent with the rule-making procedures of the Maine Administrative Procedure Act, official definitions and standards and sizes for grading or classifying, packaging and labeling eggs and to change such official standards and sizes from time to time.

Such official The standards and sizes shall pursuant to this section may not be lower in their requirements than the minimum requirements and the official standards and sizes for corresponding grades or classifications as promulgated from time to time adopted by the Secretary of Agriculture of the United States, commonly known as U.S. Grades. The commissioner may adopt by reference the United States standards, grades and weight classes for shell eggs as adopted by the United States Department of Agriculture Agricultural Marketing Service.__Rules adopted pursuant to this section are routine technical rules as defined in Title 5, chapter 375, subchapter 2-A.