Once in every three (3) months every pilot shall render to the commission an accurate account of all vessels subject to the provisions of this chapter piloted by him or her, and of all moneys received by the pilot for pilotage of those vessels. Any pilot who shall fraudulently make a false return shall forfeit and pay to the State of Rhode Island the sum of fifty dollars ($50.00) for each fraudulent return, and shall be liable for any other penalties which may be invoked by the commission under the provisions of § 46-9.1-18.