(a) The total amount of state assistance provided to counties under this chapter for a fiscal year may not exceed the amount appropriated for that purpose for that fiscal year.
(b) The executive commissioner may adopt rules governing the distribution of state assistance under this chapter that establish a maximum annual allocation for each county eligible for assistance under this chapter in compliance with Subsection (a).
(c) The rules adopted under this section:
(1) may consider the relative populations of the service areas of eligible counties and other appropriate factors; and
(2) notwithstanding Subsection (b), may provide for, at the end of each state fiscal year, the reallocation of all money that is allocated to a county under Subsection (b) but that the county is not eligible to receive and the distribution of that money to other eligible counties.