The treasurer, as tax collector, shall collect and receipt for all taxes levied by the council and not returned as delinquent, and shall receive and faithfully keep the funds and moneys of any city referred to in ORS § 221.906 and pay out the same as directed by ORS § 221.901 to 221.928, or by city ordinances. When required by ordinance, the treasurer shall make and submit to the council a statement of the financial affairs of the city.