Power to require payment of balance of dutyU.K.
6(1)The Secretary of State may by notice sent by post to the person require him to secure that the additional duty payable is paid within such reasonable period as is specified in the notice.U.K.
(2)If that requirement is not complied with, the Secretary of State may by notice sent by post to the person inform him that the licence is void as from the time when it was granted.
If he does so, the licence shall be void as from the time when it was granted.