19.— (1) The Authority may revoke a licence—

(a) where the licence holder requests that a licence be revoked,

(b) where the Authority is satisfied that the public bus passenger service in respect of which the licence was granted is not being provided,

(c) in the circumstances set out in sections 15(4) and 18 (4)(b), or

(d) following a conviction for an offence under this Part.

(2) (a) Where the Authority proposes to revoke a licence in accordance with subsection (1)(b), (c) or (d), it shall give 14 days notice of its intention to the licence holder and shall invite the holder to make written submissions to it which it shall consider before making a determination to revoke.

(b) Where having considered submissions under paragraph (a), the Authority determines that the licence should be revoked, it shall advise the holder in writing that the revocation shall have effect 14 days following the date of that communication.

(3) The Authority shall from time to time publish details of the offences in respect of which it may revoke a licence under subsection (1) (d).

(4) Where a road passenger transport operator’s licence is revoked or withdrawn under an act of an institution of the European Communities in relation to road passenger transport, under an Act of the Oireachtas in relation to road passenger transport, or under any regulation made under section 3 of the European Communities Act 1972 giving effect to an act of an institution of the European Communities in relation to road passenger transport, a licence granted under this Part to the person who held the road passenger transport operator’s licence concerned stands revoked.

(5) A person who continues to provide a public bus passenger service in respect of which a licence has been revoked under this section, commits an offence.