The administrative judge of the ninth judicial district is authorized to appoint and at pleasure remove a calendar clerk for the ninth judicial district, to prescribe his duties and fix his salary. The salary of the calendar clerk shall be certified by the administrative judge to the state comptroller who shall audit the same. The state department of taxation and finance shall pay such salary in biweekly instalments and shall apportion the amount of the salary of the calendar clerk among the counties comprising the ninth judicial district. Such counties shall reimburse the state for such salary. The time and method of such appointment and the time and method of such reimbursement shall be as specified in section seventy-four of this chapter.