(1) Nothing in this part shall be construed to decrease the total salaries, expense funds and allowances that the prosecuting attorney's office is receiving on July 1, 1984.
(2) The district attorney general shall not use any of the funds collected pursuant to this part to supplement the district attorney general's salary, or to supplement the salary of any assistant district attorney general or other employee of a district attorney general, except as provided in § 40-3-202(5); provided, that should the state of Tennessee not have funds available to pay the salary and benefits of any district attorney general, assistant district attorney general or other employee of a district attorney general's office authorized by law to receive pay and benefits from the state of Tennessee, then in that event each district attorney general shall have the authority to transfer an amount from funds collected pursuant to this part sufficient to meet the district attorney general's office payroll to the state general fund, earmarked for payment of the salaries and benefits of the employees of the transferring district attorney general, so long as such funds exist. In no case shall any salaries and benefits so paid be greater than those otherwise authorized by state law. Funds collected pursuant to this part shall be expended only in furtherance of the purposes of this part.