19.16.1 The operating airline shall ensure that at check-in, a clearly legible notice containing the following text is displayed in a manner clearly visible to passengers: “If you are denied boarding or if your flight is cancelled or delayed for at least one hour, ask the airline officials for a written statement of your rights, particularly with regard to compensation and assistance.
19.16.2 An airline denying boarding or cancelling a flight shall provide each passenger affected with a written notice setting out the procedures for compensation and assistance in line with these Regulations. It shall also provide each passenger affected by a delay of at least one hour with an equivalent notice.
19.16.3 In respect of illiterate, visually impaired or other persons under disability, the provisions of this Regulation shall be applied using appropriate alternative means.