The City Administrator may revoke any license issued under this chapter, where the licensee, in the application for the license or while conducting the business, has made fraudulent or incorrect statements, or has violated this chapter or has otherwise conducted his or her business in an unlawful manner. Falsification of information on the application shall be grounds for revocation. Notice of the revocation of license shall be given in writing, setting forth specifically the grounds of complaint and the time and place of hearing. Such notice shall be mailed by registered mail to the licensee at his or her last known address at least 10 days prior to the date set for hearing.