The county board of commissioners of each county, or a majority of the county board of commissioners, shall grant, on the application of a nonresident person, a written 1-year license, for each pound or trap net used, upon payment of $50.00. A person who violates this part shall forfeit the sum of $100.00, and all costs of suit. The county board of commissioners, or a majority of the county board of commissioners, shall enforce this part, and all money accruing from fishing licenses and forfeitures shall be paid to the county treasurer.