The district attorney in each county is the public prosecutor therein and has the authority to appear and prosecute violations of the charter and ordinances of any city provided the circuit court for the county has jurisdiction with respect to violations of the charter and ordinances of each such city. In cities of a population of more than 300,000 the district attorney shall be responsible for the prosecution of all city ordinance violations. [Amended by 1971 c.633 §14; 1995 c.658 §21]
Oregon Legal Code