(1) The following material may be incorporated by reference into any regulations, notice, or order (all referred to in this section as instruments) made or given under this Act:
(d) any other material that, in the opinion of the Minister (or, as appropriate, the Director-General), is too large or impractical to be printed as part of the instrument concerned.
(2) Any such material may be incorporated in an instrument in whole or in part, and either unmodified or with such additions, omissions, or variations as are specified in the instrument.
(4) Every reference in an instrument to the current edition of any standard work of reference is, unless the instrument otherwise specifies, to be construed at any particular time as the latest edition of that work available at that time, together with any amendments, additions, and deletions made to or from it up to that time.
(5) If any amendment to material incorporated by reference under this section (other than to any standard work of reference) is made, that amendment does not take effect until the date specified for that purpose by the Director-General by notification in the Gazette.