(1) The taxes which are the subject of this Arrangement are -
The income tax (including surtax) and the profits tax (hereinafter referred to as `United Kingdom tax`).
The income tax (including surtax) (hereinafter referred to as `Grenada tax`).
(2) This Arrangement shall also apply to any other taxes of a substantially similar character imposed in the United Kingdom or Grenada after this Arrangement has come into force.