Upon receipt of the certified copy of the resolution or ordinance, and resolution, referred to in Section 8296, the secretary of the commission of the district shall file a statement of the change of the district boundaries which has resulted from said annexation of unincorporated territory to a city together with a map or plat indicating the boundaries of the district as so changed with the assessor of the county in which the district is located and with the State Board of Equalization pursuant to the provisions of Chapter 8, Part 1, Division 2, Title 5 of the Government Code.