Texas Government Code - GOV'T § 46.005. Limitations on Law Practice

(a) The state prosecuting attorney or a state prosecutor may not engage in the private practice of law but may complete all civil cases that are not in conflict with the interest of any of the counties of the district in which the attorney or prosecutor serves and that are pending in court before the attorney or prosecutor takes office.

(b) The state prosecuting attorney or a state prosecutor may not accept a fee from an attorney to whom the state prosecuting attorney or state prosecutor has referred a case.

(c) This section applies to a county prosecutor and any assistant of a prosecutor if, from all state and county funds received, the county prosecutor or assistant receives a salary that is equal to or more than 80 percent of the benchmark salary.

(d) This section does not apply to a county prosecutor who files with the county auditor an annual written waiver of the amount of compensation that is equal to or exceeds 80 percent of the benchmark salary. An amount waived under this subsection shall be used for expenses of the county prosecutor's office.

(e) This section does not apply to a county prosecutor who, before September 1, 1999, was paid in excess of the benchmark salary by the county in which the prosecutor serves.