The party voters of each political party in each ward of each of the cities of the state shall, biennially, in every even year, at the primary election held to nominate party candidates, elect a ward committee for each ward; provided, that the ward committees in the city of Providence shall be elected quadrennially, and the party voters of each political party in each of the towns of the state shall, biennially at the primary election, elect a town committee for the town.
R.I. Gen. Laws § 17-12-6