Section 45-2-514 - Contracts concerning successionA. A contract to make a will or devise or not to revoke a will or devise or to die intestate, if executed after the effective date of this article, may be established only by: (1) provisions of a will stating material provisions of the contract; (2) an express reference in a will to a contract and extrinsic evidence proving the terms of the contract; or (3) a writing signed by the decedent evidencing the contract. B. The execution of a joint will or of mutual wills does not create a presumption of a contract not to revoke the will or wills. 1978 Comp., § 45-2-514, enacted by Laws 1993, ch. 174, § 37.