Del. Code Ann. tit. 31, § 4016
(a) DSHA may, with the approval of the issuing officer and subject to the authorization (if any) required by § 7402 of Title 29, issue bonds (including refunding bonds for the purpose of paying or retiring bonds previously issued by DSHA) from time to time in such amounts as it may deem advisable for any of its corporate purposes. DSHA may issue such types of bonds as it may determine, including bonds on which the principal and interest are payable:
Any of such bonds may be additionally secured by a pledge of any revenue or by a mortgage of any housing project, projects or other property of DSHA or any of its agents or designees.