14.— (1) Where the holder of a licence proposes to alter a public bus passenger service in respect of which a licence has been granted, the holder must apply to the Authority for the grant of an amendment to that licence.

(2) An application under subsection (1) shall be made in a form and manner and be accompanied by documents, the appropriate fee and other supporting information as the Authority may determine from time to time.

(3) Sections 10 to 13 apply to applications made under subsection (1).

(4) (a) Subject to paragraph (b), where the holder of a licence alters a public bus passenger service without obtaining an amended licence under subsection (1), the holder commits an offence.

(b) It is a defence for a person charged with an offence under this section that a temporary alteration to the service in question had been made having regard to circumstances set out in guidelines prepared under section 23.