The commissioner, in adopting fire insurance rates for a municipality at or near the border between this state and another state or the United Mexican States, shall take into account the existence and capabilities of a fire department or volunteer fire department that serves an adjoining or nearby municipality in the other state or the United Mexican States and that by agreement or by long-standing practice provides fire suppression services to the Texas municipality.
Tex. INSURANCE CODE NOT CODIFIED tit. 1, ch. 5, subch. C, art. 5.25-3