(1) Any change in the ownership of a protected layout-design shall be in writing.
(2) Where a layout-design has been registered, a subsequent change in ownership shall, where an interested party makes a request to the Registrar, be recorded and published by the Registrar and such change shall have no effect against third parties until it has been recorded.
(3) Any licence contract concerning a layout-design shall, upon registration of the layout-design, be submitted to the Registrar who shall keep its contents confidential but shall publish a reference thereto and the licence contract shall have no effect against third parties until such submission has been made.