shall deposit the fine in court along with an application for a criminal complaint regarding the offense, and the court shall hold the fine until judgment is entered on said complaint; provided, however, that at the discretion of the enforcing authority, the violation may be disposed of by the non-criminal disposition procedures pursuant to section twenty-one D of chapter forty, in which case the maximum fine shall be one thousand dollars. If a conviction is returned on the complaint the court shall award to any person or persons, other than an employee of the enforcing authority, whose information materially contributed to the identification of the convicted party, up to five hundred dollars, or forty percent of said fine, whichever is the greater, and the balance of the fine shall be equally divided between the enforcing authority and the court. If such violation is disposed of non-criminally, the balance of such fine, after payment of the award, if any, shall be deposited in the general fund of the enforcing authority.

for the convenience of the traveling public shall be punished by a fine of not less than two hundred dollars. One-half of any fine paid into a court shall be paid over to the city or town where said offense occurred.