25 Tex. Admin. Code § 97.9
A health authority may declare a house, building, apartment, room, or place within the health authority's jurisdiction to be a place of quarantine whenever a case of communicable disease occurs therein, and, in the health authority's opinion, it is necessary to do so in order to protect the public health. No person shall leave or enter the place during the period of quarantine except with specific permission of the health authority.
Source Note:The provisions of this §97.9 adopted to be effective March 16, 1994, 19 TexReg 1453.