This Act does not affect-
(a) the exercise of the Royal prerogative of mercy;
(b ) the operation of sections 17, 19A and 20 of the Crimes Act 1914-1966 , including those sections as affected by section 7 of the Interpretation Ordinance 1937-1967 of the Territory;
(c ) the operation of any other law of the Commonwealth, or of any law in force in the Territory, relating to the release of offenders; or
(d ) the operation of any of the following ordinances of the Territory, namely, the Child Welfare Agreement Ordinance 1941-1962 , the Mental Health Ordinance 1962-1966 and the Insane Persons and Inebriates (Committal and Detention) Ordinance 1936-1937 .