(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:
(a) standards, requirements, or recommended practices published by or on behalf of any body or person in New Zealand or in any other country:
(b) standards or requirements of international or national organisations:
(c) standards or requirements of any country or jurisdiction:
(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.
(3) Any such material so incorporated by reference in an instrument is to be treated for all purposes as forming part of that instrument.
(4) If any amendment to or updating of material incorporated by reference under this section is made, that amendment or updating—
(a) does not take effect unless specified in the instrument concerned; and
(b) does not take effect until the date specified for that purpose in the instrument concerned.
(5) The Director-General must—
(a) make available for inspection free of charge, at the head office of the Ministry and at such other places as the Director-General determines as necessary or appropriate, copies of all material incorporated in an instrument by reference under this section; and
(b) either make copies of that material available for purchase, at a reasonable cost, or advise where copies of the material may be obtained.