The maximum rate of compensation to be considered for the purposes of chapters 34 to 36, inclusive, of this title, shall be four thousand two hundred dollars ($4,200), and no deductions nor allowances shall be computed on any compensation in excess of four thousand two hundred dollars ($4,200) per annum. The provisions of this section shall not apply to commissioned members of the department of safety, to firemen and policemen employed by political subdivisions that are covered under the Tennessee state retirement system, or to the commissioned members of the enforcement and field services division of the game and fish commission.
T.C.A. § 8-3433