Del. Code Ann. tit. 4, § 1352
(b) Hearings on applications for licensure under this chapter. — (1) If 10 or more persons who reside or own property within 1 mile of the premises where the licensee is to operate or in any incorporated areas located within 1 mile of the premises where the licensee is to operate file a protest against the issuance of the license with the Commissioner within 30 days from the filing of the application, then a hearing must be held to consider the application and protest and, specifically, the concerns of the members of the community within which the licensee is to operate.