Del. Code tit. 13 § 518
A person who receives funds from another person for the support of a child in his or her care is a fiduciary with respect to such funds and may be ordered by the Court to account for the expenditure and management of such funds on application by any payer of such funds for good cause shown. Any application filed for such an accounting shall state with particularity the reasons why it is being sought and the basis for believing that such an accounting is necessary. The Court may dismiss any application for an accounting if the application does not show good cause why such an accounting should be ordered, and the Court shall order that all costs and reasonable counsel fees incurred by the fiduciary in his or her defense be paid by the unsuccessful applicant. If an accounting is granted by the Court, it may equitably apportion the costs, including reasonable counsel fees, of the action among the parties to the proceeding after taking into account the legal and factual basis for the action, the results obtained, the financial resources of the parties, and such other factors as the Court deems just and equitable.
13 Del. C. § 518