Notwithstanding anything to the contrary in the foregoing provisions of this Act any university in New Zealand, any laboratory under the control of any Department of State, and any laboratory for the time being approved by the Minister of Research, Science, and Technology, may import, purchase, construct, have possession and control of, and operate any machine, pile, or apparatus capable of the production of atomic energy at a rate not exceeding 1 000 watts, or at such other rate and under such conditions as may from time to time be fixed by the Minister of Research, Science, and Technology by notice in the Gazette, and may retain and use for experimental purposes the products produced thereby.

provided that the Minister of Research, Science, and Technology may from time to time by notice in the Gazette increase or reduce the amounts that may be possessed and used as aforesaid.

The amount of uranium and of thorium that may be possessed and used as provided in the last preceding subsection shall be 1 pound each of uranium and of thorium, calculated by metal content, in the case of a school providing secondary instruction, and 20 pounds each of uranium and of thorium, calculated by metal content, in any other case:

Notwithstanding anything to the contrary in the foregoing provisions of this Act, uranium and thorium of natural isotope composition of an amount not exceeding the appropriate amount mentioned in the next succeeding subsection may be possessed and used for the purpose of instruction and of investigation as to the properties and effects of radioactive and like radiations at any university in New Zealand, at any school providing secondary instruction, at any laboratory under the control of any department of State, and at any other laboratory for the time being approved by the Minister of Research, Science, and Technology.

Section 13 heading: amended, on , pursuant to section 3(2)﻿(b) of the New Zealand University Amendment Act 1957 (1957 No 23).

Section 13(1): amended, on , by section 46(1) of the Crown Research Institutes Act 1992 (1992 No 47).

Section 13(1): amended, on , by section 59(1) of the Universities Act 1961 (1961 No 54).

Section 13(2) proviso: amended, on , by section 46(1) of the Crown Research Institutes Act 1992 (1992 No 47).

Section 13(3): amended, on , by section 46(1) of the Crown Research Institutes Act 1992 (1992 No 47).

Section 13(3): amended, on , pursuant to section 59(1) of the Universities Act 1961 (1961 No 54).