Relating to the eligibility of land used as an ecological laboratory for appraisal for ad valorem tax purposes as qualified open-space land.

Relating to the procedure for canceling a deferral or abatement of collection of ad valorem taxes on the residence homestead of an elderly person.

Relating to the qualifications required for an appraisal district employee in order to testify as to the value of appraised value of real property in certain ad valorem tax appeals.

Relating to the procedure for the adoption of an ad valorem tax rate by certain special districts.

Relating to deferred payment of ad valorem taxes for certain persons serving in the United States armed forces.