Minn. Stat. § 239.752
Subd. 1. Identification required.
A person responsible for the product shall securely affix a metal or plastic identification tag or tank collar on the fill pipe of a petroleum product storage tank at a business where petroleum products are sold, offered for sale, or dispensed at retail into the storage tanks of motor vehicles. A bulk storage facility operator shall securely affix a metal or plastic identification tag on the fill pipe of each storage tank at the distributor's bulk storage facility. The identification tag must be constructed and printed according to subdivision 2 and installed according to subdivision 3. The identification tag must be printed with the appropriate product identification according to subdivision 4, 5, or 6, and include the gallon capacity for each storage tank. This section does not apply to storage tanks at petroleum refineries or terminals.
Subd. 2. Identification; construction, printing.
The identification tag required in subdivision 1 must be at least 3-1/2 inches by 3-1/2 inches and constructed from aluminum, stainless steel, or plastic. All surfaces of the tag or tank collar must be coated with a permanent enamel paint or powder coating. The coating must be light blue for gasoline, white for alcohol products, and dark green for petroleum distillate products. Lettering must be at least three-eighths of one inch high, and printed on the tag with permanent enamel paint or powder coating. Lettering must be black for gasoline and alcohol products and white for petroleum distillate products.
Subd. 3. Identification; installation.
The identification tag required in subdivision 1 must be securely affixed to a fill pipe by means of an adjustable steel band clamp or nonreleasable nylon ties. The display surface of the tag must be positioned so that the product information can be easily read by a person filling the storage tank.
Subd. 4. Product identification on storage tank; gasoline, oxygenated gasoline.
(b) The product name must be selected from the following:
Subd. 5. Product identification on storage tank; alcohol, alcohol-based fuel.
(b) The product name must be selected from the following:
Subd. 6. Product information on storage tank; petroleum distillates.
Storage tanks containing diesel fuel, heating fuel, kerosene, or other petroleum distillate must be marked with the word "DISTILLATE" and with the correct product grade and appropriate tax status selected from the following: