Del. Code Ann. tit. 30, § 1117
(a) (1) For any tax year beginning before January 1, 2022, an individual who is a resident of this State may receive a nonrefundable credit against the individual’s tax otherwise due under this chapter in the amount of 20% of the corresponding federal earned income credit allowed under § 32 or successor provision of the Internal Revenue Code (26 U.S.C. § 32).
(2) For any tax year beginning on or after January 1, 2022, an individual who is a resident of this State may receive a credit against the individual’s tax under this chapter in an amount based on a percentage of the corresponding federal earned income credit allowed under § 32 or successor provision of the Internal Revenue Code (26 U.S.C. § 32). The individual may claim either of the following amounts: