The Protocol and Interpretative Protocol between the UK and Canada, which were signed in London on 21 July 2014, entered into force on 18 December 2014.

The treaty will take effect as follows:

In the United Kingdom in respect of:

  • withholding taxes, on amounts paid or credited on or after 1 January 2015 income tax and capital gains tax, for any year of assessment beginning on or after 6 April 2015
  • corporation tax, for any financial year beginning on or after 1 April 2015

In Canada in respect of:

  • withholding taxes, on amounts credited or paid on or after 1 January 2015
  • other Canadian taxes, for any tax year beginning on or after 1 January 2015.

Canada: Entry into force of the 2014 Protocols to the 1978 Double Taxation Convention (as amended)