; and (4) $1,000,000 shall be made available for commercial motor vehicle operators grants. Administrative provisions—federal motor carrier safety administration 130. The Federal Motor Carrier Safety Administration shall send notice of section 385.308 of title 49, Code of Federal Regulations, violations by certified mail, registered mail, or another manner of delivery, which records the receipt of the notice by the persons responsible for the violations. 131. The Federal Motor Carrier Safety Administration shall update annual inspection regulations under Appendix G to subchapter B of chapter III of title 49, Code of Federal Regulations, as recommended by GAO–19–264. National highway traffic safety administration Operations and research For expenses necessary to discharge the functions of the Secretary, with respect to traffic and highway safety authorized under chapter 301 and part C of subtitle VI of title 49, United States Code, $214,073,440, of which $40,000,000 shall remain available through September 30, 2022. Operations and research (liquidation of contract authorization) (limitation on obligations) (highway trust fund) For payment of obligations incurred in carrying out the provisions of section 403 of title 23, United States Code, including behavioral research on Automated Driving Systems and Advanced Driver Assistance Systems and improving consumer responses to safety recalls, section 4011 of the Fixing America’s Surface Transportation Act ( Public Law 114–94 ) or any successor surface transportation reauthorization Act authorizing appropriations for fiscal year 2021, and chapter 303 of title 49, United States Code, $170,612,000 to be derived from the Highway Trust Fund (other than the Mass Transit Account) and to remain available until expended: Provided , That none of the funds made available by this Act shall be available for the planning or execution of programs the total obligations for which, in fiscal year 2021, are in excess of $170,612,000: Provided further , That of the funds appropriated under