3.—(1) This paragraph applies in respect of green list arrivals.N.I.
(2) This paragraph applies where P fails to take a day 2 test.
(3) P must enter into and remain in isolation in accordance with the relevant isolation provisions until the end of the 14th day after the day on which they arrived in Northern Ireland.
(4) But if P subsequently takes a test to which sub-paragraph (5) applies and which generates—
(a)a positive result, paragraph 5(2) applies as if the test were a mandatory test,
(b)a negative result, P is no longer required to isolate in accordance with the relevant isolation provisions.
(5) This sub-paragraph applies to a test which—
(a)complies with the requirements for a day 2 test specified in paragraph 6,
(b)is undertaken in the circumstances set out in paragraph 8 (other than the circumstances in paragraph 8(2) about when a test must be taken), and
(c)is undertaken within 10 days of the day on which P arrived in Northern Ireland.