(1) This section applies to-

(a) any information about the enrichment of uranium; or

(b) any information or thing which is, or is likely to be, used in connection with the enrichment of uranium;

and for this purpose "the enrichment of uranium" means any treatment of uranium that increases the proportion of the isotope 235 contained in the uranium.

(2) The Secretary of State may make regulations prohibiting the disclosure of information or things to which this section applies.

(3) A person who contravenes a prohibition is guilty of an offence and liable-

(a) on conviction on indictment, to imprisonment for a term not exceeding seven years or a fine (or both); and

(b) on summary conviction, to imprisonment for a term not exceeding six months or a fine not exceeding the statutory maximum (or both).

(4) The regulations may, in particular, provide for-

(a) a prohibition to apply, or not to apply-