678. Crown rights of use.

Any government department, and any person authorised in writing by a government department¹, may use any registered design for the services of the Crown². For these purposes, the services of the Crown are deemed to include:

1.  

   (1)     the supply to the government of any country outside the United Kingdom³, in pursuance of an agreement or arrangement between Her Majestys government in the United Kingdom and the government of that country, of products⁴ required for the defence of that country or for the defence of any other country whose government is party to any agreement or arrangement with Her Majestys