56.— (1) Subject to subsections (2) to (4), Part 4 and the Disciplinary Regulations apply to a person appointed to a rank in the Garda Síochána under section 53 who does or omits to do any act the doing or omission of which would, if he or she were appointed otherwise than under that section, give rise to the taking of disciplinary action.

(2) For as long as a person referred to in subsection (1) is a member of the Police Service of Northern Ireland, an investigation under Part 4 and any investigation or proceeding under the Disciplinary Regulations in relation to that person may proceed to its conclusion even though his or her period of secondment has expired or been terminated.

(3) No disciplinary action may be taken against a person referred to in subsection (1), but the Garda Commissioner shall transmit to the Chief Constable the prescribed material relating to the person.

(4) The Garda Commissioner shall inform F110[the Authority and the Minister] of any transmission of documents under subsection (3).