Termination of tax treaty permits either Contracting State to give notice after an initial five-year period to end its effect. Article 31 permits either Contracting State to terminate the DTAA by diplomatic notice given at least six months before year-end after the Agreement has been in force for five years; termination takes effect in India for fiscal years beginning on or after the 1 April next following the calendar year of notice, and in Nepal for fiscal years beginning on or after mid July next following that calendar year.