established consisting of the following classes: a class from zero dollars ($0) to and including forty-nine dollars and ninety-nine cents ($49.99); a class from fifty dollars ($50) to and including one hundred ninety-nine dollars and ninety-nine cents ($199.99); and thereafter a series of classes successively set up in brackets having a spread of two hundred dollars ($200), consisting of a number of classes that will permit classification of all vehicles.

100 percent of a sum equal to the middle point between the extremes of its class as established in subdivision (b); for the second year, 90 percent of that sum; for the third year, 80 percent of that sum; for the fourth year, 70 percent of that sum; for the fifth year, 60 percent of that sum; for the sixth year, 50 percent of that sum; for the seventh year, 40 percent of that sum; for the eighth year, 30 percent of that sum; for the ninth year, 25 percent of that sum; and for the 10th year, 20 percent of that sum; and for the 11th year and each succeeding year, 15 percent of that sum; provided, however, that the minimum tax shall be the sum of one dollar ($1). Notwithstanding this subdivision, the market value of a trailer coach first sold on and after January 1, 1966, that is required to be moved under permit as authorized in Section 35790 of the Vehicle Code, shall be determined by the schedule in Section 10753.3.

other provision of law, this section is operative for the period beginning on and after the effective date of the act amending this subdivision.