Del. Code Ann. tit. 15, § 2003
(a) Each person appointed under § 2001 of this title shall take and subscribe before the Department before beginning such person’s duties the following oath (or affirmation):
I, ________________________________________________________________, residing in ________________________________ election district of the representative district in ________________________ county, do solemnly swear (or affirm) that I will support the Constitution of the United States, and the Constitution of the State of Delaware, and that I will faithfully discharge the duties of registration officer in ________________________ county, according to the best of my ability.
67 Del. Laws, c. 354, § 19; 70 Del. Laws, c. 186, § 1; 77 Del. Laws, c. 227, § 1; 79 Del. Laws, c. 275, § 29