Tex. Water Code § 41.007: EMPLOYEES; ADMINISTRATIVE EXPENSES.

The commissioner, in conjunction with the other members of the commission and as authorized by legislative appropriation, may employ engineering and clerical personnel and may incur necessary office expenses and other expenses incident to the proper performance of his duties and the proper administration of the compact. However, the commissioner shall not incur any financial obligation on behalf of this state until the legislature has authorized and appropriated money for the obligation.

Acts 1971, 62nd Leg., p. 110, ch. 58, Sec. 1, eff. Aug. 30, 1971.