(a) The first grand jury impaneled at the fall term of the superior courts of the several counties shall fix:

(1) The compensation of court bailiffs in the superior courts of such counties for the next succeeding year, such compensation not to be less than $5.00 nor to exceed $70.00 per diem. The same compensation shall be allowed to bailiffs of the several state courts and special courts as is allowed bailiffs in the superior court of the county in which the state or special court is located;

(2) An expense allowance for jurors in the superior courts of such counties for the next succeeding year, such expense allowance not to be less than $5.00 nor to exceed $50.00 per diem. The same expense allowance shall be allowed to jurors of the several state courts and special courts as is allowed jurors in the superior court of the county in which the state or special court is located. The expense allowance of tales jurors shall be the same as that of a regularly drawn trial juror; and

(3) An expense allowance for grand jurors, such expense allowance not to be less than $5.00 nor to exceed $50.00 per diem.

(b) Any increase in the compensation of court bailiffs or increases in expense allowances for jurors fixed by a grand jury shall be subject to the approval of the governing authority of the county.