R.I. Gen. Laws § 44-33-11: Proof of claim.

Every claimant under this chapter shall supply to the division of taxation in support of his or her claim, reasonable proof of rent paid, name and address of owner or managing agent of property rented, property taxes accrued, changes of homestead, household membership, household income, size and nature of property claimed as the homestead and a statement that the property taxes accrued and used for purposes of this chapter have been or will be paid by the claimant and that there are no delinquent property taxes on the homestead.