Del. Code tit. 10, § 9802

All costs collected shall be for the use of the State unless otherwise specifically provided by statute or rules of the Court. The justice shall tax the costs for each service specified by the rules of the Justice of the Peace Court. No other fee or cost shall be allowed and no mileage shall be allowed unless it is expressly given by statute. In no case shall costs be charged for a service not performed; and every office or person receiving a fee shall, upon demand, give a receipt specifying the item of service represented by said fee.