(a) In all juvenile, traffic, criminal, and quasi-criminal cases in the juvenile, district, circuit, and municipal courts in Lamar County, a docket fee, hereinafter referred to as a solicitor's fee, shall be assessed in each case. The fees, when collected, shall be distributed monthly to the Solicitor's Fund or District Attorney's Fund in the county or to the fund that may be hereafter prescribed by law for the solicitor's fee. The solicitor's fee shall be in an amount equal to all docket fees or court costs which are assessed upon an adjudication of guilt in a criminal case and distributed to the Fair Trial Tax Fund. The amount of the solicitor's fee assessed in each case shall be limited to the amount of the fair trial tax assessed in each case.

(b) The solicitor's fee shall be collected in all criminal cases where the defendant is adjudged guilty, a bond forfeited, a penalty imposed, or where there is issued any alias or capias warrant of arrest. The solicitor's fee shall be in addition to and not in lieu of any other fees or costs. The solicitor's fee shall not be waived or remitted unless the defendant proves to the reasonable satisfaction of the sentencing judge that the defendant is not capable of paying the fee within the reasonably foreseeable future.

(c) The solicitor's fee may be expended, as the district attorney sees fit, for the payment of any and all expenses incurred by the district attorney for law enforcement and in the discharge of the duties of the office.