(1) The Secretary, by instrument, may authorise a person employed under Part 3 of the Public Administration Act 2004 in the Department to perform the functions of the secretary of the Youth Parole Board.
(2) The Secretary, by instrument, may authorise a person employed under Part 3 of the Public Administration Act 2004 in the Department to perform the functions of the secretary of the Youth Parole Board during all periods when—
(a) the person authorised under subsection (1) is absent from duty or, for any other reason, is unable to perform those functions; or
(b) no person is authorised under subsection (1) to perform those functions; or
(c) the holder of a specified position is authorised under subsection (1) to perform those functions and that position is vacant.
(3) The Secretary, under subsection (1) or (2), may authorise—
(a) a person employed under Part 3 of the Public Administration Act 2004 in the Department named in the instrument of authorisation; or
(b) the person employed under Part 3 of the Public Administration Act 2004 in the Department who, from time to time, is the holder of a position specified in the instrument of authorisation.