Del. Code tit. 13, § 128

Any person or religious society having authority to solemnize marriages who performs a marriage ceremony without the presentation of a license issued pursuant to this chapter, or who performs the same prior to the expiration of 24 hours from the time of the issuance of the license or more than 30 days after the time of the issuance of the license, shall be imprisoned not more than 6 months or fined not more than $500, or both. Any person or religious society having authority to solemnize marriages who shall make any false certificate of marriage shall be fined $100.