3.—(1) In these Regulations—
“red list country” means a country or territory listed in Schedule 1 (red list countries),
“amber list country” means a country or territory which is not a green list country, not a red list country and not in the common travel area,
“green list country” means a country, territory, or part of a country or territory listed in Schedule 2 (green list countries – exempt countries, territories or parts of countries or territories),
“the common travel area” has the meaning given in section 1(3) of the Immigration Act 1971(1) (the United Kingdom, the Channel Islands, the Isle of Man and the Republic of Ireland).
(2) In these Regulations—
“red list arrival” means a person who has—
arrived in Northern Ireland, and
has arrived in, departed from or transited through a red list country at any time in the period beginning with the 10th day before the date of their arrival in Northern Ireland,
“amber list arrival” means a person who has—
arrived in Northern Ireland,
has been outside the common travel area at any time in the period beginning with the 10th day before the date of their arrival in Northern Ireland, and
is neither a red list arrival nor a green list arrival,
“green list arrival” means a person who has—
arrived in Northern Ireland,
has been outside the common travel area at any time in the period beginning with the 10th day before the date of their arrival in Northern Ireland, and
whilst outside the common travel area in that period, has only been in a green list country.
(3) For the purposes of these Regulations, a person (P) is not treated as arriving in, departing from or transiting through a country or territory, or part of a country or territory, if, at all times whilst in that country, territory or part of that country or territory—
(a)P remains on a conveyance and no other passenger is permitted to be taken on board, or
(b)P is kept separated from passengers who did not arrive on the same conveyance as P, and no such passengers are permitted to be taken on board the conveyance on which P leaves that country, territory or part.