The Legislative Redistricting Board of Texas is ex officio. This means that its members have a position on the board automatically because they

Hold other public office

Explanation:

The main purpose of Legislative restricted board is to make and initiate plans of legislative if the legislature fails to make the desired plans in the first secession. Overall, the members are elected carefully who show ethnic and social characteristics. The members have a position on the board automatically because they hold another public office. Any individual who holds another public office is automatically elected for a position.