(a) Except as provided by Subsection (b) of this section, if the legislature appropriates funds for the control of noxious weeds, the comptroller shall issue a warrant to each district in an amount equal to the amount certified for the district by the department under Section 78.056 of this code.
(b) If the legislature appropriates an amount for the control of noxious weeds that is less than the total of all amounts certified by the department under Section 78.056 of this code, the comptroller shall issue a warrant to each district in an amount that is equal to that district's proportion of the total of funds certified under Section 78.056 of this code.