29 December 2011
The amending protocol, signed on 4 November 2010 to the Greece - Switzerland Income Tax Treaty (1983) entered into force on 27 December 2011. The protocol generally applies from 1 January 2012.
Treaty between Hungary and United Kingdom enters into force
19 December 2011
On 28 December 2011, the Hungary - United Kingdom Income Tax Treaty (2011) will enter into force.
The effective dates are as follows: