(a) The governing body of a municipality in a county with a population of at least 128,000 but not more than 300,000 may abolish the municipality's perpetual trust fund for a cemetery and use the fund, including both principal and interest, for permanent improvements to the cemetery.
(b) The governing body of a municipality in a county with a population of at least 40,000 but not more than 80,000 and that contains a portion of the Angelina National Forest may abolish the municipality's perpetual trust fund for a cemetery and use the fund, including both principal and interest, for permanent improvements to the cemetery. Termination of a trust fund under this subsection does not constitute renouncement of a trust or failure to act as its trustee under this subchapter.