4A

A person must as soon as reasonably practicable undertake a test that complies with paragraph 1(a) of Schedule 2B if—

a

the person requires leave to enter or remain in the United Kingdom,

b

an immigration officer suspects the person has—

i

evaded, or attempted to evade, immigration control, or

ii

been arrested, detained or granted immigration bail by an immigration officer in accordance with the Immigration Acts,

c

the person fails to produce valid notification of a negative result from a qualifying test when requested to do so by an immigration officer, and

d

an immigration officer requires the person to undertake such a test.