The commissioners court or commissioners courts shall require a written plan of operation from an entity operating a program under this subchapter. The plan of operation must include:
(1) a budget for the program, including salaries;
(2) a description of each personnel position, including the program's director;
(3) the maximum allowable caseload for each attorney appointed under the program;
(4) provisions for training personnel of the program and attorneys appointed under the program;
(5) a description of anticipated overhead costs for the program;
(6) a policy regarding licensed investigators and expert witnesses used by attorneys appointed under the program;
(7) a policy to ensure that appointments are reasonably and impartially allocated among qualified attorneys; and
(8) a policy to ensure that an attorney appointed under the program does not accept appointment in a case that involves a conflict of interest for the attorney.