The commission, within four days after any special election authorized to be held under and pursuant to this part, shall canvass the returns so made with respect to such special election and make a written report declaring the result of such special election, showing the number of votes cast, both for and against the proposition set out on the ballot used in such special election. A copy of such report shall be printed in a newspaper published and having general circulation in the county, and the original of such report shall be filed in the office of the judge of probate of the county.