(1) If, before a trade mark is registered, the Registrar is satisfied—
(a) that an application for registration of the trade mark was accepted because of an error or omission in the course of the examination; or
(b) that, in the special circumstances of the case, the trade mark should not be registered, or should be registered subject to conditions or limitations, or to additional or different conditions or limitations,
the Registrar may revoke the acceptance of the application—
(2) If the Registrar revokes the acceptance of an application—
(a) the application is taken to have never been accepted; and
(b) the Registrar shall examine, and report on, the application as necessary under section 15; and
(c) sections 17 and 18 again apply in relation to the application.