(a) In Dallas County, the fee for issuance of a permit to carry a pistol in a vehicle or concealed on or about the person as provided in Section 13A-1l-75, shall be twenty dollars ($20), which shall be collected by the sheriff.
(b) Any and all monies collected under subsection (a) shall be deposited by the Sheriff of Dallas County in any bank located in Dallas County selected by the sheriff, into a fund known as the Sheriffs Law Enforcement Fund.
(c) The Sheriffs Law Enforcement Fund shall be drawn upon by the Sheriff of Dallas County or his or her appointed agent and shall be exclusively for law enforcement purposes in the public's interest and in the discharge of the sheriff's office as the sheriff sees fit.
(d) The establishment of the Sheriffs Law Enforcement Fund and the use of such funds shall in no way diminish or take the place of any other imbursement or other source of income established for the sheriff or the operation of his or her office.