40 CFR 211.104: Label content.

The following data and information must be on the label of all products for which regulations have been published under this part:

(a) The term “Noise Rating” if the product produces noise, or the term “Noise Reduction Rating” if the product reduces noise;

(b) The acoustic rating descriptor that is determined according to procedures specified in the regulations that will be published under this part;

(c) Comparative acoustic rating information, which EPA will specify in the regulations published under this part;

(d) A product manufacturer identification consisting of: (1) The Company name, and (2) The City and State of the principal office;

(e) A product model number or type identification;

(f) The phrase “Federal law prohibits removal of this label prior to purchase”;

(g) The U.S. Environmental Protection Agency logo, as shown in Figure 1;

(h) The phrase “Label Required by U.S. EPA regulation 40 CFR part 211, subpart ______.”