Ind. Code § 14-22-14-18

Sec. 18. (a) The holder of a commercial fishing license must, in the manner established by rules adopted by the commission, designate an individual as captain of a boat operated by the holder of a commercial fishing license. A designated captain must meet the following conditions:

(1) Be a resident of Indiana.

(2) Have experience as a commercial fisherman.

(3) Possess other qualifications established by rules adopted by the commission.

(b) Except in an emergency, as defined under rules adopted by the commission, an individual who is designated as a captain by the holder of one (1) commercial fishing license may not:

(1) be designated as a captain by; or

(2) work for;

the holder of another commercial fishing license. Notice to the department of the emergency designation of a captain must be provided under rules adopted by the commission.