Texas Education Code - EDUC § 51.105. Duration and Compensation

(a) The governing board may grant to a faculty member a faculty development leave either for one academic year at one-half of his regular salary or for one-half academic year at his full regular salary.  Payment of salary to the faculty member on faculty development leave may be made from the funds appropriated by the legislature specifically for that purpose, or from such other funds as might be available to the institution.

(b) A faculty member on faculty development leave may accept a grant for study, research, or travel from any institution of higher education, from a charitable, religious, or educational corporation or foundation, from any business enterprise, or from any federal, state, or local governmental agency.  An accounting of all grants shall be made to the governing board of the institution by the faculty member.  A faculty member on faculty development leave may not accept employment from any other person, corporation, or government, unless the governing board determines that it would be in the public interest to do so and expressly approves the employment.