(3) Articles may be placed on the warning by: (A) A majority vote of the Selectboard. (B) A petition of at least five percent of the voters registered at the time the petition is submitted, provided law authorizes such articles as within the authority of the voters. (4) Articles submitted by petition must be filed with the Town Clerk not less than 40 days before the date of the meeting. (e) Voting by Australian ballot. (1) No article or type of article shall be voted by Australian ballot at any annual or special Town meeting called on its action, or by petition, unless the voters have approved the use of such system of voting pursuant to 17 V.S.A. § 2680 or as required by law.