The board of county commissioners may establish a supervised pretrial release program to perform those functions as prescribed by the administrative district judge in each judicial district. The board of county commissioners may provide for supervised pretrial release services through employment of staff, contract, or any other process that will accomplish the purposes of this section. A board of county commissioners shall not be obligated to establish a supervised pretrial release program. Counties having established a supervised pretrial release program shall not be obligated to provide supervised pretrial release services beyond the funds generated by the fees collected pursuant to the provisions of section 31-3201J, Idaho Code, and any additional funds that may be annually appropriated by the board of county commissioners.