1.Increase in Taxable Gross Weight
This type of amendment is filed if the taxable gross weight of a vehicle increases during the period and the vehicle falls into a new category.For instance, an increase in maximum load customarily carried may change the taxable gross weight.
2.Mileage use limit exceeded
This type of amendment is filed if a vehicle exceeds the mileage use limit. The mileage use limit for a heavy vehicle on public highways is 5,000 miles or less (7,500 miles or less for agricultural vehicles). The mileage use limit applies to the toatal mileage a vehicle is on the road during a tax period (July 1 - June 30), regardless of the number of owners.