This Agreement shall remain in force until terminated by a Contracting State. Either Contracting State may terminate the Agreement, through diplomatic channels, by giving written notice of termination at least six months before the end of any calendar year following after the period of five years from the date on which the Agreement enters into force.
In such event, the Agreement shall cease to have effect:
- (a) in Sri Lanka:
- (i) in respect of income assessable for any year of assessment commencing on or after 1 April in the calendar year next following that in which the notice of termination is given.
- (b) in the Islamic Republic of Iran:
- (i) in respect of taxes withheld at the source, in relation to amounts of income derived on or after 1 January in the calendar year next following the year in which the notice of the termination is given;
- (ii) in respect of other taxes on income, in relation to such taxes chargeable for any taxable year beginning on or after 1 January in the calendar year next following the year in which the notice of the termination is given.
IN WITNESS WHEREOF, the undersigned, duly authorized thereto by their respective Governments, have signed this Agreement.
DONE in duplicate at Tehran, on this twenty fifth day of July 2000, in the Sinhala, Persian and English languages, all texts being equally authentic. In case of any divergence of interpretation, the English text shall prevail.
FOR THE GOVERNMENT OF THE DEMOCRATIC SOCIALIST REPUBLIC OF SRI LANKA:
KINGSLEY T. WICKRAMARATNE
FOR THE GOVERNMENT OF THE ISLAMIC REPUBLIC OF IRAN: