(2) An article approving the additional amount must conform to the requirements of section 15690, subsection 3, paragraph B and be approved by a majority of the entire membership of the council in a vote taken in accordance with section 15690, subsection 5 or, if the council votes not to approve the article, by a majority of voters voting in a referendum called pursuant to subparagraph (4).

(3) If an article is approved by the council pursuant to subparagraph (2), the voters may petition for a referendum vote on the same article in accordance with subparagraph (4). If a petition is filed in accordance with subparagraph (4), the vote of the council is suspended pending the outcome of the referendum vote. Upon approval of the article by a majority of the voters voting in that referendum, the article takes effect. If the article is not approved by a majority of the voters voting in that referendum, the article does not take effect. Subsequent to the vote, the school committee or board may again propose an additional amount, subject to the requirements of this section.

(4) If a written petition, signed by at least 10% of the number of voters voting in the last gubernatorial election in the municipality, requesting a vote on the additional amount is submitted to the municipal officers within 30 days of the council's vote pursuant to subparagraph (2), the article voted on by the council must be submitted to the legal voters in the next regular election or a special election called for the purpose. The election must be held within 45 days of the submission of the petition. The election must be called, advertised and conducted according to the law relating to municipal elections, except that the registrar of voters is not required to prepare or the clerk to post a new list of voters and absentee ballots must be prepared and made available at least 14 days prior to the date of the referendum. For the purpose of registration of voters, the registrar of voters must be in session the secular day preceding the election. The voters shall indicate by a cross or check mark placed against the word "Yes" or "No" their opinion on the article. The results must be declared by the