Sec. 122.003.  HEALTH UNIT IN COUNTY WITH POPULATION OF 22,200 TO 22,500.  (a)  The commissioners court of a county with a population of 22,200 to 22,500 may impose an ad valorem tax at a rate not to exceed 10 cents on each $100 of the taxable value of property taxable by the county for:
(1)  the creation of a county health unit; 
(2)  vaccines and medical services required to immunize schoolchildren and indigent persons from communicable diseases;  and
(3)  medical treatment or hospitalization of indigent persons who are not entitled to treatment or hospitalization under Chapter 61 (Indigent Health Care and Treatment Act).
(b)  The commissioners court may pay not more than half of the costs of medical treatment or hospitalization for an indigent person who is not entitled to treatment under Chapter 61 (Indigent Health Care and Treatment Act).
(c)  A commissioners court that creates a county health unit under this section shall create a county health unit fund.  The proceeds of the tax shall be deposited to the credit of that fund.  Amounts in the fund shall be used for the purposes for which the commissioners court may impose a tax under Subsection (a).
Acts 1989, 71st Leg., ch. 678, Sec. 1, eff. Sept. 1, 1989.