B. In a school administrative district or community school district, the meeting must be called by the school board or as follows.

(1) A petition containing a number of signatures of legal voters in the member municipalities of the school administrative unit equalling at least 10% of the number of voters who voted in the last gubernatorial election in member municipalities of the school administrative unit, or 100 voters, whichever is less, and specifying the article or articles to be reconsidered must be presented to the school board within 15 days of the regular budget meeting at which the budget was finally approved.

(2) On receiving the petition, the school board shall call the special budget reconsideration meeting, which must be held within 15 days of the date the petition was received.

C. In a municipality, the meeting must be called by the municipal officers:

(1) Within 15 days after receipt of a request from the school board, if the request is received within 15 days of the budget meeting at which the budget was finally approved and it specifies the article or articles to be reconsidered; or

(2) Within 15 days after receipt of a written application presented in accordance with Title 30-A, section 2532, if the application is received within 15 days of the budget meeting at which the budget was finally approved and it specifies the article or articles to be reconsidered.

3.__Invalidation of action of special budget reconsideration meeting. If a special budget meeting is called to reconsider action taken at a regular budget meeting, the actions of the meeting are invalid if the number of voters at the special budget meeting is less than the number of voters present at the regular budget meeting.

4.__Line-item transfers. Meetings requested by a school board for the purpose of transferring funds from one category or line item to another must be posted for voter or council action within 15 days of the date of the request.