Texas Local Government Code - LOC GOV'T § 363.158. Reimbursement for Services

(a) A county or municipality located entirely outside the boundaries of the district shall, on request, reimburse a district for the district's cost of including in a district program a resident of that county or municipality.

(b) The board may require reimbursement from the state for the district's cost of including in a district program or facility a person who is a resident of the state but is not a resident of the district.

(c) On behalf of the district, the board may contract with a municipal or county government or with the state or federal government for the municipal, county, state, or federal government to reimburse the district for including a person in a district program.