Hungary

 The collapse of Communism offered the Vatican the prospect of replacing its wary agreements with Communist governments by formal concordats. In May 1989, Hungary began taking down its barbed wire fence along the Austrian border – the first tear in the Iron Curtain. The Vatican moved fast and the next spring, even before the first free elections in March 1990, it signed the first concordat with the new Republic of Hungary. There are three Hungarian concordats: [1] 

• Concordat establishing diplomatic relations and stating that issues related to the Church are to be settled by the Canon (Church) Law and the new Hungarian law on religious freedom (9 February 1990)
• Concordat establishing a military chaplaincy (10 January 1994)
• Concordat on finances (20 June 1997)

	Concordat on Diplomatic Relations (1990)
	With this tiny concordat, Hungary became the second Warsaw Pact country (after Poland did so on 17 July 1989) to establish diplomatic relations with the Vatican. It states that Church-related issues are to be settled in accordance with both Canon (Church) Law and Hungary's new law on religious freedom; and it scraps the wary modus vivendi with the Vatican dating from the Communist era.
	Failed attempt to renegotiate the finance concordat
	Stonewalled by the Vatican, Hungary learned the hard way that concordat negotiations cannot be re-opened — unless the Church thinks it can get a better deal.
	Concordat on finance (1997) : text