"When a person is notified that a decision has been made to remove him in accordance with this section the notification invalidates any leave to enter or remain in the United Kingdom previously given to him."
"Where an immigration decision is made in respect of a person he may appeal to the Tribunal."
"A person may not appeal under section 82(1) while he is in the United Kingdom unless his appeal is of the kind to which this section applies."
"This section applies to an appeal against an immigration decision of a kind specified in section 82(2) c, d, d, f, h(a) and j."
"Where a person is notified that a decision has been made to remove him in accordance with this section the notification invalidates any leave to enter or remain in the United Kingdom."