If there are reasonable grounds for suspecting that a person is someone who may be removed from the United Kingdom under F4regulation 19(3)(b)” and for “an immigration officer” substitute “the Secretary of State, that person may be detained under the authority of an immigration officer pending a decision whether or not to remove the person under that regulation, and paragraphs 17 and 18 of Schedule 2 to the 1971 Act shall apply in relation to the detention of such a person as those paragraphs apply in relation to a person who may be detained under paragraph 16 of that Schedule.

F2 Where a decision is taken to remove a person under regulation 19(3)(a), F6or (c) the person is to be treated as if he were a person to whom section 10(1)(a) of the 1999 Act M1 applied, and section 10 of that Act (removal of certain persons unlawfully in the United Kingdom) is to apply accordingly.

F2 Where a decision is taken to remove a person under regulation 19(3)(b), the person is to be treated as if he were a person to whom section 3(5)(a) of the 1971 Act M2 (liability to deportation) applied, and section 5 of that Act M3 (procedure for deportation) and Schedule 3 to that Act M4 (supplementary provision as to deportation) are to apply accordingly.

A person who enters the United Kingdom in breach of a deportation or exclusion order F7, or in circumstances where that person was not entitled to be admitted pursuant to regulation 19(1) or (1AB), shall be removable as an illegal entrant under Schedule 2 to the 1971 Act and the provisions of that Schedule shall apply accordingly.

Where such a deportation order is made against a person but he is not removed under the order during the two year period beginning on the date on which the order is made, the Secretary of State shall only take action to remove the person under the order after the end of that period if, having assessed whether there has been any material change in circumstances since the deportation order was made, he considers that the removal continues to be justified on the grounds of public policy, public security or public health.