§ 315
The grade name on prepackaged eggs must be shown in characters that are at least the following height:
(a) in the case of a tray with an overwrap or an egg carton of eggs graded Canada A or Canada B, 1.5 mm for the word “Canada” and 3 mm for “A” or “B”;
(b) in the case of a tray with an overwrap or an egg carton of eggs graded Canada C or Canada Nest Run, 1.5 mm;
(c) in the case of a container, other than a tray with an overwrap or an egg carton, that contains eggs graded Canada A or Canada B, 6 mm for the word “Canada” and 13 mm for “A” or “B”; and
(d) in the case of a container, other than a tray with an overwrap or an egg carton, that contains eggs graded Canada C or Canada Nest Run, 13 mm.