3. Any organisation—
(a)established and maintained by a Government Department or a local authority (including a police authority) or by the Receiver for the Metropolitan Police District for the purpose of assisting in the carrying on of canteens for the benefit of members of any organisation described in paragraph 1 of this Schedule or named in sub-paragraphs (1) to (8) inclusive of paragraph 17 of this Schedule; and
(b)consisting only of unpaid members.