Texas Education Code - EDUC § 88.207. Expenses;  Per Diem

The necessary traveling expenses of the members of the board and those of the director and his assistants shall be paid out of the funds appropriated by this state for the maintenance and support of the experiment stations.  In addition to actual traveling expenses, each member of the board, when traveling on the official business of the stations, shall be paid $5 per day while actually engaged in the discharge of his duties.