Source: https://pakistanconstitutionlaw.com/article-17-freedom-of-association/
Timestamp: 2019-04-22 08:56:57+00:00

Document:
1[17. Freedom of association. (1) Every citizen shall have the right to form associations or unions, subject to any reasonable restrictions imposed by law in the interest of sovereignty or integrity of Pakistan, public order or morality.
(2) Every citizen, not being in the service of Pakistan, shall have the right to form or be a member of a political party, subject to any reasonable restrictions imposed by law in the interest of the sovereignty or integrity of Pakistan and such law shall provide that where the Federal Government declares that any political party has been formed or is operating in a manner prejudicial to the sovereignty or integrity of Pakistan, the Federal Government shall, within fifteen days of such declaration, refer the matter to the Supreme Court whose decision on such reference shall be final.
a. Section 3 of the Constitution (Fourth Amendment) Act, 1975 (71 of 1975) substituted the said words in place of the words ” morality or public Order”, in clause 1 of Art. 17, (w.e.f. November 21, 1975).
c. Section 10 of the Constitution (Seventeenth Amendment) Act, 2003 (3 of 2003), had validated the insertion in clause (2) of Art. 17, (w.e.f. December 31, 2003). Item 1 of the schedule to the Legal Framework Order, 2002, Chief Executive Order No. 24 of 2002, (hereinafter referred to as LFO (C.E.O. No. 24 of 2002)), had inserted the said words in clause (2) of Art. 17, (w.e.f. August 21, 2002).
d. Section 10 of the Constitution (Seventeenth Amendment) Act, 2003 (3 of 2003), had validated the addition of the proviso at the end of clause (2) of Art. 17, (w.e.f. December 31, 2003). Item 1 of the schedule to LFO (C.E.O. No. 24 of 2002), had substituted a colon, in place of the full stop, at the end of clause (2) of Art. 17 and added the said proviso thereto, (w.e.f. August 21, 2002).
e. Section 10 of the Constitution (Seventeenth Amendment) Act, 2003 (3 of 2003), had validated the addition of clause (4) to Art. 17, (w.e.f. December 31, 2003). Item 1 of the schedule to LFO (C.E.O. No. 24 of 2002), had added the said clause (4) to Art. 17, (w.e.f. August 21, 2002).

References: Art. 17
 Art. 17
 Art. 17
 Art. 17
 Art. 17
 Art. 17
 Art. 17