The governing body of the city or the board of county commissioners shall promptly rule on the sufficiency of any such protest. No action or suit to question the ruling on such sufficiency or to contest the action of the governing body or the Board in adopting and approving the plans, specifications or profiles shall be commenced later than fifteen (15) days after the ruling.
Laws 1968, c. 415, § 1308, operative July 1, 1968.