This Agreement shall continue in effect indefinitely but either of the Contracting States may, on or before the thirtieth day of June in any calendar year beginning after the expiration of a period of five years from the date of its entry into force, give written notice of termination to the other Contracting State through diplomatic channels. In such event this Agreement shall cease to have effect as respects income derived during the taxable years and periods beginning on or after the first day of January in the calendar year next following that in which the notice of termination is given.
