ARTICLE 28
Entry into Force
(1) This Convention shall be ratified and the instruments of ratification shall be exchanged at Prague as soon as possible.
(2) The Convention shall enter into force upon the exchange of instruments of ratification and its provisions shall have effect:
- (a) in respect of taxes withheld at the source, on amounts paid or remitted on or after the first day of January next following that in which the Convention enters into force;
- (b) in respect of other taxes on income, for taxable years or accounting periods beginning on or after the first day of January next following that in which the Convention enters into force.