R.I. Gen. Laws § 17-12-13: State conventions.

There shall be held not later than October 14 of every even year a state convention for each political party. The nominees of a party for senator and for representatives in congress, for the five (5) general offices, and for membership in the general assembly shall be delegates to the state convention of that party. In presidential election years, these conventions shall select the party nominees for presidential electors and their names shall be placed on the ballot for the forthcoming election.