"Even if you come back through crossings, where your passport is scanned by the southside, aren't we still considered as not leaving the RoC ... at least in terms of the 90-out-of-180-days rule?"
Probably!!! Maybe!!! Depends!!!
I entered the TRNC via Kyrenia in 2007 as an EU citizen. That was entering the EU via an illegal port! I have never left the Island for anything since that date. I have crossed the Green Line many times as and EU citizen and as a Third World National, each time returning to the TRNC. As the EU claims the TRNC is part of the EU yet the EU does not recognise the TRNC but abides by the Green Line agreements, it can be a "little" confusing.
However, it appears that the RoC will recognise the TRNC as an "occupied" area of the EU and that Third Country Nationals who live there have to abide by a different set of rules. There are little things that can confuse, like the RoC coaches that are allowed to cross from the South to the North yet TRNC coaches are not allowed!
Keith has it right - hit and miss - However, to understand it fully you need to read -
https://eur-lex.europa.eu/legal-content ... 6-20150831 - and in particular -
(6)
Regarding persons, the policy of the Government of the Republic of Cyprus currently allows the crossing of the line by all citizens of the Republic, EU citizens and third-country nationals who are legally residing in the northern part of Cyprus, and by all EU citizens and third country nationals who entered the island through the Government Controlled Areas.
Then do not miss this little tidbit either - 3. Third-country nationals shall only be allowed to cross the line provided they:
(a) possess either a residence permit issued by the Republic of Cyprus or a valid travel document and, if required, a valid visa for the Republic of Cyprus, and
(b) do not represent a threat to public policy or public security.
Once you have read and understood most of the above document, you may understand why the RoC is in a quandary over who can come across and for how long and under which rules/regulations. Simply put, if you are a Third Country National (British) you need a residence permit issued by the RoC, which you can not obtain unless you live in the RoC - which of course would make you an EU citizen and give you the right to cross anyway. But you can not obtain one if you live in "occupied" territory as the RoC do not recognise that territory.
Good explanation of the whole thing, abbreviated so all can understand it - Catch 22!!!
No matter how hard the past, you can always begin again.