Section 227.217 - Compliance dates(a) Class I railroads subject to this subpart are required to comply with this subpart beginning no later than 12 months from March 26, 2024.(b) Class II railroads subject to this subpart are required to comply with this subpart beginning no later than 12 months from March 26, 2024.(c) Class III railroads subject to this subpart and any other railroads subject to this subpart are required to comply with this subpart beginning no later than 18 months from March 26, 2024.