When registered with the Administration, every truck tractor or similar motor vehicle used for propelling, supporting, or drawing a trailer or semitrailer is a Class F (tractor) vehicle. Subject to paragraph (2) of this subsection, for each Class F (tractor) vehicle, the annual registration fee is based on the maximum gross weight of the vehicle in combination with a trailer or semitrailer, as follows: Maximum Gross Weight            Fee (per 1,000 Pounds Limit (in Pounds)                or Fraction Thereof) 40,000 (minimum) – 60,000            $21.00 60,001 – 80,000 or more                $22.50 On or after July 1, 2024, but before July 1, 2025, the annual registration fee under paragraph (1) of this subsection is increased by an additional $20.00. On or after July 1, 2025, the annual registration fee under paragraph (1) of this subsection is increased by an additional $30.00.