It is hereby declared—
(a) that the arrangements specified in the Schedule to this Order subsist between the Government of Saint Lucia and the Government of Canada in manner provided by Article XV of the Schedule to this Order;
(b) that it is expedient that those arrangements have effect subject to modification of Article VI(3) of the Agreement contained in the Schedule to this Order substituting for the words “shall be exempt from United Kingdom surtax” of the words “is not liable to tax in Saint Lucia at a rate in excess of the rate applicable to a company”.