ARTICLE 27
Entry into Force
(1) This Agreement shall be ratified in each Contracting State and shall enter into force on the date of the last notification by either Contracting State that it has complied with its laws for entry into force of this Agreement.
(2) The provisions of the Agreement shall apply:
- (a) in respect of taxes withheld at source:
- (i) in the Islamic Republic of Iran, to amounts derived on or after 1st Farvardin Solar Hijra, corresponding to 21st March, in the calendar year next following the year in which the Agreement enters into force;
- (ii) in Bulgaria, to amounts derived on or after 1st January, corresponding to 11th Day Solar Hijra, in the calendar year next following the year in which the Agreement enters into force.
- (b) in respect of other taxes on income:
- (i) in the Islamic Republic of Iran, to such taxes chargeable for any taxable period beginning on or after 1st Farvardin Solar Hijra, corresponding to 21st March, in the calendar year next following the year in which the Agreement enters into force;
- (ii) in Bulgaria, to such taxes chargeable for any taxable period beginning on or after 1st January, corresponding to 11th Day Solar Hijra, in the calendar year next following the year in which the Agreement enters into force.