The town or city treasurer of each town or city of the regional school district shall forward to the regional school district treasurer on July 1, October 1, January 1, and April 1 one-fourth (1/4) of the amount due for the operation of the regional school district for the fiscal year beginning July 1 from each town or city or parts thereof comprising the regional school district.
R.I. Gen. Laws § 16-3-21