For labels printed directly on the container, the refund value and the word "Maine" or the abbreviation "ME" must be printed using letters, numerals, and symbols not less than 1/8 inch high in clear and prominent typeface on a smooth and even surface, and in a color that contrasts with the background both when the container is full and when it is empty.
On metal beverage containers the refund value and the word "Maine" or the abbreviation "ME" must be embossed, incised, or printed clearly and conspicuously on the top of each beverage container using letters, numerals, and symbols not less than 1/8 inch high. On metal beverage containers sold with a sanitary cover that obscures the redemption value on the top of the container, the refund value and the word "Maine" or the abbreviation "ME" must also be printed clearly on the container label using letters, numerals, and symbols not less than 1/8 inch high.
06- 096 C.M.R. ch. 426, § 7