Del. Code tit. 5, § 1903

Any duly licensed or registered building and loan association doing business in this State, provided its charter permits, may issue serial shares, full paid shares, installment full paid shares, and may also make available to members savings accounts, savings certificates and any other type of share or account which any federally chartered association may issue under the rules and regulations of the Office of Thrift Supervision or any successor federal regulatory authority and under the term of its charter.