The purposes of this Act are—
(a) to amend the Corrections Act 1986 —
(i) with respect to the functions of the Secretary and the Commissioner; and
(ii) to abolish the Prison Industry Advisory Committee;
(b) to amend the Firearms Act 1996 —
(i) to allow the Chief Commissioner to declare certain firearms to be of a particular category; and
(ii) with respect to the licensing of tranquilliser guns;
(c) to amend the Serious Sex Offenders Monitoring Act 2005 —
(i) to allow for the additional assessment of offenders; and
(ii) to extend the offences in relation to which an extended supervision order may be made to include offences against adults; and
(iii) to provide for the making of interim extended supervision orders; and
(iv) to clarify the powers of the Court of Appeal;
(d) to make minor or statute law revisions to the Administration and Probate Act 1958 , the Liquor Control Reform Act 1998 and the Summary Offences Act 1966 .