(d) If the landlord is not entitled to all or any portion of the security deposit, the landlord shall remit the security deposit within 20 days of receiving possession of the residential rental unit (or, if storage of property that was inside the deceased sole tenant’s residential rental unit is required, then within 20 days after the storage of said property has ended) to a representative of the estate of the deceased sole tenant, if any, who has valid documentation of such representation issued by the register of wills pursuant to Title 12. Within 20 days after receiving possession of the residential rental unit of the deceased sole tenant (or, if storage of property that was inside the deceased sole tenant’s residential rental unit is required, then within 20 days after the storage of said property has ended), the landlord shall provide the representative of the estate of the deceased sole tenant, if any, with an itemized list of damages to the premises and the estimated costs of repair for each and shall tender payment for the difference between any rental amount due and owing, the security deposit and such costs of repair of damage to the premises. Failure to do so shall constitute an acknowledgment by the landlord that no payment is due. The representative’s acceptance of a payment submitted with an itemized list of damages shall constitute agreement on the rental amount due, if any, and damages as specified by the landlord, unless the representative of the estate, within 10 days of the representative’s receipt of such tender of payment, objects in writing to the amount withheld by the landlord. Failure for a representative of the estate to present the landlord with valid documentation of such representation issued by the register of wills or failure of the