ITO Section 51

Foreign-source income of returning expatriates.

(1) Any foreign-source income derived by a citizen of Pakistan in a tax year who was not a resident individual in any of the four tax years preceding the tax year in which the individual became a resident shall be exempt from tax under this Ordinance in the tax year in which the individual became a resident individual and in the following tax year.

(2) Where a citizen of Pakistan leaves Pakistan during a tax year and remains abroad during that tax year, any income chargeable under the head “Salary” earned by him outside Pakistan during that year shall be exempt from tax under this Ordinance.