Extends the terms of the Mayor of the Town of Madison under Section 3.3 of the town charter (SL 1973-289), as amended, from two to four years, beginning in the 2025 municipal election.  Makes conforming changes to Section 4.1 of the town charter (SL 1973-289) and specifies that the aldermen are elected for a term of four years.  Applies to elections held on or after the act becomes law.