(1) The chief executive may, after considering any representations made by the licensee in accordance with a notice under section 135 (2) or section 137 (2), by written notice given to the licensee, suspend the licence until the earlier of—
(a) 28 days after the notice is given to the licensee; or
(b) the chief executive advises the licensee that the suspension is revoked.
(2) A suspension takes effect on the day after the chief executive gives the notice to the licensee.