The undersigned, James M. Langley, Ambassador Extraordinary and Plenipotentiary of the United States of America in Pakistan, and Manzur Qadir, Minister for Foreign Affairs and Commonwealth Relations, Government of the Republic of Pakistan, being duly authorized by their respective Governments, have met for the purpose of exchanging the Instruments of Ratification by their respective Governments of the Convention between the United States of America and Pakistan for the Avoidance of Double Taxation and the Prevention of Fiscal Evasion with respect to taxes on Income, signed at Washington on July 1, 1957. 　　The respective Instruments of Ratification of the aforesaid Convention having been examined and found to be in due form, the exchange thereof took place this day. 　　IN WITNESS WHEREOF, the respective Plenipotentiaries have signed the present Protocol of Exchange. 　　DONE in duplicate, in the English language, at Karachi this twenty-first day of May in the year one thousand, nine hundred and fifty-nine. JAMES M. LANGLEY, (For the Government of the United States of America). MANZUR QADIR, (For the Government of the Republic of Pakistan). 　　[*Editor's Note: Although the protocol of exchange does not recite acceptance by Pakistan of the reservation subject to which the United States ratified the convention, Pakistani acceptance of the reservation is evidenced in two unpublished documents, as follows: (1) a note, dated October 17, 1958, from the Pakistan Ministry of Foreign Affairs and Commonwealth Relations to the United States Embassy in Karachi, in which it is stated that " the Government of Pakistan *** [has] no objection to the provision of the reservation in the convention ***"; (2) the Pakistani instrument of ratification, dated May 2, 1959, in which It is stated that. "The Government of the Republic of Pakistan having considered the Convention aforesaid, hereby confirm and ratify the same and undertake to perform and carry out all the stipulations therein contained subject to the reservation that the second sentence of paragraph one of Article XV has not been ratified and is excepted from the operation of the Convention with the same effect as though that sentence were deleted."]