(1) All elections held for the adoption of the mayor-council form of government shall be held and conducted in accordance with the general laws for the holding of municipal elections.
(2) As soon as the returns of any election held hereunder for the adoption of the mayor-council form have been certified, and if a majority of the votes cast at such election were in favor of the mayor-council form of government, the mayor of such municipality shall immediately certify to the secretary of state that such municipality, by special election, has adopted the mayor-council form of government provided for herein, which certificate shall be recorded in a book kept for that purpose by the secretary of state.