Before section 31 of the Chemical Weapons Act 1996 (c. 6) insert-
"30A. Customs and Excise prosecutions
(1) Proceedings for a chemical weapons offence may be instituted by order of the Commissioners of Customs and Excise if it appears to them that the offence has involved-
(a) the development or production outside the United Kingdom of a chemical weapon;
(b) the movement of a chemical weapon into or out of any country or territory;
(c) any proposal or attempt to do anything falling within paragraph (a) or (b).
(2) In this section "chemical weapons offence" means an offence under section 2 above or section 50 of the Anti-terrorism, Crime and Security Act 2001 (including an offence of aiding, abetting, counselling, procuring or inciting the commission of, or attempting or conspiring to commit, such an offence).
(3) Any proceedings for an offence which are instituted under subsection (1) shall be commenced in the name of an officer, but may be continued by another officer.
(4) Where the
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