4.—(1) This rule applies to applications for registration of a light obstruction notice in the register.
(2) The application may be made using an electronic means of communication.
(3) An application made using an electronic means of communication must contain such of the particulars required by Form A as are appropriate and be in accordance with any determination by the registrar under rule 13.
(4) If the application is not made using an electronic means of communication, it must be made in Form A and be delivered to the address specified by the registrar under rule 14.