40 CFR § 1068.305 - How do I get an exemption or exclusion for imported engines/equipment?
(a) You must meet the requirements of the specific exemption or exclusion you intend to use, including any labeling requirements that apply, and complete the appropriate declaration form described in § 1068.301(d).
(b) If we ask for it, prepare a written request in which you do the following:
(1) Give your name, address, and telephone number.
(3) Identify the make, model, identification number, and original production year of all engines/equipment.
(5) Tell us where you will keep your engines/equipment if you might need to store them until we approve your request.
(c) We may ask for more information.
(d) You may import the nonconforming engines/equipment you identify in your request if you get prior written approval from us. U.S. Customs and Border Protection may require you to present the approval letter. We may temporarily or permanently approve the exemptions or exclusions, as described in this subpart.