Del. Code tit. 25, § 4702

Any mortgagee having paid any premium or premiums of fire insurance covering the mortgaged premises shall, in any action of scire facias sur mortgage or other civil action, obtain in the final judgment in the cause the amount of money paid for such fire insurance premium or premiums. There shall be set forth in the affidavit of demand filed in the action an itemized list of the insurance premium or premiums paid, the total amount of the payments thereof and that the amount has been paid. There shall be attached to the affidavit of demand fire insurance premium receipts from the agent issuing the policy or policies.