The city director of law as prosecuting attorney of the mayor's court shall prosecute all cases brought before the court, and perform the same duties, as far as they are applicable thereto, as required of the prosecuting attorney of the county.
The director of law or the assistants whom he designates to act as prosecuting attorneys of the mayor's court shall receive such compensation for the service provided by this section as the legislative authority of the city prescribes, and such additional compensation as the board of county commissioners allows.