2.—(1) This paragraph applies in respect of—
(a)red list arrivals,
(b)amber list arrivals.
(2) This paragraph applies where—
(a)P fails to undertake a day 8 test, and
(b)either—
(i)P fails to undertake a day 2 test, or
(ii)P’s day 2 test generates a negative or inconclusive result.
(3) Subject to sub-paragraph (3), P must continue to isolate in accordance with the relevant isolation provision until the end of the 14th day after the day on which they arrived in Northern Ireland.
(4) Where P undertakes a test to which paragraph 4(7)(b) applies and which generates—
(a)a positive result, paragraph 4(2) applies as if the test were a mandatory test,
(b)a negative result, paragraph 4(4) applies as if—
(i)P had taken both a day 2 test and a day 8 test, and
(ii)both tests had generated a negative result.