9 Del. C. § 9202: Powers and duties of chief deputies.

The chief deputy or, if there is no chief deputy, the deputy employed by each of the officers shall be possessed of all the authority of their respective offices, and in the absence or disability of the duly elected officer, the chief deputy or deputy of such officer shall perform all the duties of the office, until the vacancy so created shall be filled as required by the Constitution or statutes of the State.