40 CFR § 89.914
What provisions apply to vehicles certified under the motor-vehicle program?
June 9, 2020
You may use the provisions of 40 CFR 1039.610 to introduce new nonroad engines or equipment into commerce if the vehicle is already certified to the requirements that apply under 40 CFR parts 85 and 86. However, when using the provisions of 40 CFR 1039.610, references to this part 89 or sections in this part shall be used instead of references to 40 CFR part 1039 or sections in that part.
[70 FR 40447, July 13, 2005]