s 22 Suspension pending appeals, etc.
Where on the day on which a person is required to present himself in accordance with the notification under subsection 17(2)— (a) there is in force a postponement certificate relating to such person; or (b) any application by such person under section 20 has been made and is awaiting determination, then— (aa) in the case where paragraph (a) applies to a person, the notification shall be of no effect against him; and (bb) in the case where paragraph (b) applies to a person, the operation of such notification shall be suspended until the determination of such application.