Where an applicant for license or registration or a prospective licensee fails to respond to a communication or notice forwarded in accordance with the provisions of these regulations requesting him to provide additional information or to appear for an interview in connection with the application, or, in the case of an applicant for a license as a port watchman, to appear for a physical examination as required by section 5.5 of this Title, or, in the case of an applicant for a license as a port watchman, to satisfactorily complete a course of training for port watchmen as prescribed by section 5.10 of this Title, the application may be dismissed by the commission without prejudice. Such dismissal shall forthwith cancel and annul any temporary permit or temporary registration unless otherwise directed by the commission.