(f) All ordinances shall be subject to overrule by a special Town meeting as follows: if, within 30 days after final passage by the Selectboard of any such ordinance, a petition signed by electors of the Town not less in number than 10 percent of the number of votes cast in the last municipal election is filed with the Town Clerk requesting its reference to a special Town meeting, the Selectboard shall fix the time and place of such meeting, which shall be within 60 days after filing of the petition, and notice thereof shall be given in the manner provided by law in the calling of a special Town meeting. An ordinance so referred shall remain in effect upon the conclusion of such meeting unless electors not less in number than 10 percent of the number of votes cast in the last municipal election and constituting a majority of those voting thereon, shall have voted against the ordinance.