Arkansas constitution
Article 8: apportionment--membership in general assembly
Section 6

At the next general election for State and County officers ensuing after any such apportionment, Representatives shall be elected in accordance therewith, Senators shall be elected henceforth according to the apportionment now existing, and their respective terms of office shall begin on January 1 next following. Senators shall be elected for a term of four years at the expiration of their present terms of office.