The said board of county commissioners shall meet on the second Monday next after such election and canvass the votes cast thereat; and if it appears upon such canvass that at least two-thirds of the qualified electors voting at said election have voted “Electrical Irrigation District . . . . . . . . . . Yes,” the said board shall, by order duly entered upon the records, declare such territory duly organized as an irrigation district under the name and style theretofore designated, and shall declare the persons receiving respectively the highest number of votes for director to be duly elected to such office. Said board shall cause a copy of such order, including a plat of said district, duly certified by the clerk of the board of county commissioners, to be immediately filed for record in the office of the county clerk of each county in which any portion of such lands are situated, and no board of county commissioners of any county including any portion of such district shall, after the date of organization of such district, allow another district to be formed including any of the lands of such district, without the consent of the board of directors thereof; and from and after the date of such filing the organization of such district shall be complete and the officers thereof shall immediately enter upon the duties of their respective office [offices] qualifying in accordance with law, and shall hold such offices, respectively, until their successors are elected and qualified. The boundaries of said divisions and the voting precincts and polling places in any such district may, after such first election, be changed by order of the board of directors of the district; provided that the polling places shall be designated in the notice published for every election in the district.