Turkish invasion of Cyprus opposed immediate Enosis (union between Cyprus and Greece). Makarios described the coup which replaced him as "an invasion of Cyprus by Greece" in his speech to the UN security council and stated that there were "no prospects" of success in the talks aimed at resolving the situation between Greek and Turkish Cypriots, as long as the leaders of the coup, sponsored and supported by Greece, were in power. In Resolution 573, the Council of Europe supported the legality of the first wave of the Turkish invasion that occurred in July 1974, as per Article 4 of the Guarantee Treaty of
Foreign relations of Northern Cyprus stance, the TRNC refuses any official recognition of the government of the Republic of Cyprus, calling it the ""Greek Cypriot Administration of Southern Cyprus"", and referring to its President as the ""Greek Cypriot Leader"". Turkey backs this position. After the Republic of Cyprus became a member of the European Union, the southern part of the island became part of the Customs Union of EU. The Northern part of the island is excluded from the Customs Union. In spite of that, the Green Line regulations are intended to ease trade relations between North Cyprus and EU. Oil exploration in East Mediterranean