(a) Only a branch pilot licensed for water in the jurisdiction of the pilot board of a navigation district in Cameron County may appoint a deputy branch pilot to serve in that board's jurisdiction.
(b) A branch pilot serving in the jurisdiction of the pilot board of a navigation district in Cameron County may appoint two deputy branch pilots, subject to that board's examination and approval.
(c) A branch pilot may appoint an additional deputy branch pilot under this section if the applicable pilot board considers the appointment advisable.
(d) A branch pilot who appoints a deputy branch pilot under this section is responsible for the acts of the deputy branch pilot.
(e) A branch pilot who appoints a deputy branch pilot under this section without the approval of the applicable pilot board forfeits the pilot's appointment as a branch pilot.