(a) A person required under § 28-54-109 to pay an estate tax greater than the amount due from the person under § 28-54-103 or § 28-54-104 has a right to reimbursement from another person to the extent that the other person has not paid the tax required by § 28-54-103 or § 28-54-104 and a right to reimbursement ratably from other persons to the extent that each has not contributed a portion of the amount collected under § 28-54-109(b).
(b) A fiduciary may enforce the right of reimbursement under subsection (a) on behalf of the person that is entitled to the reimbursement and shall take reasonable steps to do so if requested by the person.