Subject to paragraph 13, a site licence shall not be required for the use of land as a caravan site by a travelling showman who is a member of an organisation of travelling showmen which holds for the time being a certificate granted under this paragraph and who is, at the time, travelling for the purposes of his business or who has taken up winter quarters on the land with his equipment for some period falling between the beginning of October in any year and the end of March in the following year.

For the purposes of this paragraph the Ministry may grant a certificate to any organisation recognised by the Ministry as confining its membership to bona fide travelling showmen; and a certificate so granted may be withdrawn by the Ministry at any time.