(2) For purposes of the vehicle code, the weights of vehicles, combinations of vehicles, parts of vehicles, wheels or axles shall be determined by the use of methods, procedures and devices established by the Department of Transportation by rule. The rules established in accordance with this subsection may include any or all of the following:
(a) Methods and procedures to determine weights when weighing devices or facilities are not convenient.
(b) Standards and certification procedures for weighing devices.
(c) Any other rules the department determines necessary or convenient for purposes of this subsection. [1983 c.338 §11; 1985 c.172 §1]