Ind. Code § 14-22-14-23

Sec. 23. (a) A person who has a commercial fishing license must keep accurate records of each day's catch showing the following:

(1) The number of pounds of each kind of fish taken.

(2) The locality fished.

(3) The kind and amount of fishing gear employed.

(4) The length of time each unit of gear was fished without being lifted.

(5) Other information the commission considers to be relevant under this chapter.

(b) Before the sixteenth day of each month, each person holding a commercial fishing license shall report, under oath when requested to do so, all the data for the preceding month required under subsection (a) to the director upon forms furnished by the director. The reports required by this section shall be made each month whether or not any fish were taken during the preceding month. If no fish were taken, that fact shall be noted.