is given to an examining officer in accordance with paragraph 3(d),

is searched or found on a search under paragraph 8, or

is examined under paragraph 9.

for the purpose of examination, for a period not exceeding 7 days beginning with the day on which the retention commences,

while the officer believes that it may be needed for use as evidence in criminal proceedings,

while the officer believes that it may be needed in connection with a decision of the Secretary of State whether to make a deportation order under the Immigration Act 1971,

while the officer believes that it could be used in connection with the carrying out of a hostile act, or

while the officer believes it necessary to do so for the purpose of preventing death or significant injury.