22.—(1) An application for an authorisation under regulation 19 shall be made to the Department.
(2) If in any case the Department considers that there are special reasons why the application should be advertised, it may require the applicant to advertise the application in a specified manner.
(3) An authorisation may be granted subject to conditions.
(4) If the Department refuses an authorisation it must give its reasons.
(5) The Department may, by notice in writing, at any time vary or revoke an authorisation, but the notice must give the Department’s reasons.
(6) A revocation does not have effect until 3 months from the date of the notice.