U.S. Code of Federal Regulations
Regulations most recently checked for updates: Jun 21, 2025
(a) Each EMPTY label, except for size, must be as follows:
(1) Each side must be at least 6 inches (152 mm.) with each letter at least 1 inch (25.4 mm.) in height.
(2) The label must be white with black printing.
(b) [Reserved]
