2006 Michigan Compiled Laws - Mich. Comp. Laws § 257.18b "Gross combination weight rating" or "GCWR" and "gross vehicle weight rating" or "GVWR" defined.

Sec. 18b.

(1) "Gross combination weight rating" or "GCWR" means the value specified by the manufacturer as the loaded weight of a combination vehicle. In the absence of a value specified by the manufacturer, GCWR will be determined by adding the GVWR of the power unit and the total weight of the towed unit and any load on that unit.

(2) "Gross vehicle weight rating" or "GVWR" means the value specified by the manufacturer as the loaded weight of a single vehicle.

History: Add. 1988, Act 346, Imd. Eff. Oct. 25, 1988
Compiler's Notes: Section 2 of Act 346 of 1988 provides:"(1) Except as otherwise provided in this section, this amendatory act shall take effect October 1, 1989."(2) Sections 634, 710g, 722, 723, 724, 802, and 907 of this amendatory act shall take effect January 1, 1989."(3) Sections 4B and 801 of this amendatory act shall take effect upon the date of enactment of this amendatory act."Section 2 of Act 173 of 1989 provides:"(1) The amendments made to sections 8b, 57, 67a, 301, 303, 305, 306, 307, 309, 310, 312d, 312e, 312f, 312g, 312h, 314, 314b, 319a, 321a, 323, 728, 732, 743, and 907 of Act No. 300 of the Public Acts of 1949, being sections 257.8b, 257.57, 257.67a, 257.301, 257.303, 257.305, 257.306, 257.307, 257.309, 257.310, 257.312d, 257.312e, 257.312f, 257.312g, 257.312h, 257.314, 257.314b, 257.319a, 257.321a, 257.323, 257.728, 257.732, 257.743, and 257.907 of the Michigan Compiled Laws, by Act No. 346 of the Public Acts of 1988 shall take effect January 1, 1990."(2) Enacting section 2 of Act No. 346 of the Public Acts of 1988 is repealed."