49 CFR § 585.133 - Reporting requirements.
(a) Phase-in reporting requirements. Within 60 days after February 28, 2021, each manufacturer shall submit a report to the National Highway Traffic Safety Administration concerning its compliance with the requirements of Standard No. 141, Minimum Sound Requirements for Hybrid and Electric Vehicles (49 CFR 571.141), for its vehicles produced from March 1, 2020 to February 28, 2021. Each report shall provide the information specified in paragraph (b) of this section and in § 585.2.
(b) Phase-in report content -
(1) Basis for phase-in production goals. Each manufacturer shall provide the number of hybrid vehicles and electric vehicles manufactured in the current production year or, at the manufacturer's option, in each of the three previous production years. A manufacturer that is, for the first time, manufacturing vehicles for sale in the United States must report the number of vehicles manufactured during the current production year.
(2) Production of complying vehicles -
Each manufacturer shall report for the production year being reported on, and each preceding production year, to the extent that vehicles produced during the preceding years are treated under Standard No. 141 as having been produced during the production year being reported on, information on the number of vehicles that meet the requirements of Standard No. 141, Minimum Sound Requirements for Hybrid and Electric Vehicles (49 CFR 571.141).