1st - Redefined boundaries of Pakistan - may 4th 1974

2nd - Defined Muslims and decalred Ahmadis as non mulsims - Sept 7, 1974

3rd - Extended period of preventive detention - Feb 18, 1975

4th - Addition to seats of minorities and took back power from courts to grant bail to preventive detention - nove 21, 1975

5th - Widened scope of restriction of high court - sept 5 , 1976

6th - Retirement age set of Chief justice of supreme court at 65 and Chief jsutice of high court at 62 - December 22nd 1976

7th - Prime minister to obtain vote of confidence - may 16th 1977

8th - Parliamentary to Semi-presidential form of government, powers added to presidency - november 18th 1985

9th - Shaira law to be supreme law of land ( bill lapsed because assembly dissolved) !986

10th - Interval period between national assemblies set to 130 days - march 29th 1987

11th - Revision of reserved seats of women - 1989

12th - Speedy trial for 3 years - 1991

13th - Stripped power of president to dissolve assembly - 1997

14th - Dismissal of parliamentarians if they deflect - july 3rd, 1997

15th - Bill to impose sharia law as supreme law - 1998 ( did not passs)

16th - Increased term for appointed on quota system from 20 to 40 years -1999

17th - reversal of 13th amendment - 2003

18th - removal of presidential powers - april 8, 2010

19th- Take powers from Chief Justice of Pakistan for the appointment of ad hoc judges and transferred them to the Judicial Council of Pakistan (JCP) - dec 22, 2010

20th- About care taker government and free fair election - 14th feb 2012

21st- Speedy military trial courts - january 7 2015

22nd- Qualification and procedure for the appointment of the chief election commissioner (CEC) and members of the Election Commission of Pakistan (ECP) - 2016

23rd- Extension of 2 years to military courts - 2017

24th- Reallocation of National Assembly seats among federating units and allowing election authorities to update boundaries of constituencies based on provisional results of 2017 Census of Pakistan - 2017

25th - Merges Federally Administered Tribal Areas with Khyber Pakhtunkhwa - 2018