3. Nothing in Article 1 hereof shall be taken to prohibit the importation of any goods which are proved to the satisfaction of the Commissioners of Customs and Excise to have been consigned from the Channel Islands, other than—
(a)dyes, dyestuffs and intermediates, the following:—
(i)synthetic organic dyestuffs (including pigment dyestuffs), whether soluble or insoluble;
(ii)compounds, preparations and articles manufactured from any such dyestuffs, except any such compounds, preparations and articles as are not suitable for use in dyeing;
(iii)organic intermediate products used in the manufacture of any such dyestuffs;
(b)arms and ammunition, the following:—
(i)firearms, lethal, including any lethal barrelled weapon of any description from which any shot, bullet or other missile can be discharged and other weapons of whatever description designed or adapted for the discharge of any noxious liquid, gas or other thing;
(ii)component parts of any such firearm or other weapon as aforesaid, and any accessory to any such firearm or other weapon designed or adapted to diminish the noise or flash caused by firing the weapon;
(iii)ammunition, including grenades, bombs and other like missiles, and any ammunition containing or designed or adapted to contain any noxious liquid, gas or other thing, and component parts of any such ammunition;
(c)plumage, other than plumage of birds imported alive and other than plumage of birds ordinarily used in the United Kingdom as articles of diet.