§ 7. Commissioner of revenue.

The commissioner of the revenue shall perform all the duties in relation to the assessment of property for the purpose of levying taxes that may be ordered by the city council, and such other duties as the council may prescribe or direct. He shall keep his office in some convenient place in the city, and shall keep therein such books, schedules and records, and in such manner as the city council may direct and prescribe, which books, records, and other papers shall be subject to the inspection and examination of the members of the city council, or any committee thereof, and of the collector of city taxes. He shall receive for his services the compensation allowed by law. The commissioner of revenue, in ascertaining the value of real property taxable in said city, shall assess the same as required by law.