Del. Code tit. 21 § 7002
No law-enforcement officer, fire officer in charge or the fire officer's delegate or fire marshal or fire marshal's deputy, enforcing this chapter, and no one who removes a vehicle from a prohibited area as described in this chapter or stores such a vehicle, having been directed to remove or store such vehicle by a person authorized to enforce this chapter, shall be liable for criminal prosecution for any conduct directly relating to the enforcement of this chapter or be liable to any person for negligence, resulting in the injury to or loss or destruction of any real or personal property if such negligence arises out of the enforcement of this chapter; provided, however, that such persons shall be liable for loss or destruction of any real or personal property caused by acts or omissions amounting to gross negligence or willful or wanton misconduct.
21 Del. C. § 7002