30 Tex. Admin. Code § 297.14
A contractual permit authorizes the use of state water where the source of supply is water lawfully authorized for the use of another person and a written agreement has been entered into with said person. The permit is for a period of time limited by the contract, and no permanent right is acquired by the holder. Although some contractual permits are still in existence, they are no longer being issued by the commission. See Subchapter J of this chapter (relating to Water Supply Contracts and Amendments).
Source Note:The provisions of this §297.14 adopted to be effective May 30, 1986, 11 TexReg 2330.