34.—(1) It is not an offence under Article 24 for an auctioneer to sell by auction, expose for sale by auction or have in his possession for sale by auction, firearms or ammunition, without holding a firearms dealer's certificate, if he—
(a)has obtained from the Chief Constable a permit for that purpose; and
(b)complies with the permit.
(2) A permit may be granted in respect of one or more than one auction.
(3) The Chief Constable may at any time by notice in writing—
(a)attach conditions to a permit;
(b)vary or revoke conditions attached under this Article;
(c)revoke a permit.