The Eighteenth Amendment to the Constitution of the Islamic Republic of. Pakistan, a landmark event in the constitutional history of Pakistan, was passed.The text of the Constitution has been updated to incorporate the 26th Amendment Act, which received the assent of the President on October 21, 2024. The 18th Amendment altered about a third of Pakistan's Constitution. The r were not only legally important, but also symbolically significant. The National Assembly of Pakistan passed the constitutional (22nd Amendment) Act, 2016 on 19th May, 2016 and becomes Act of the Parliament on 8th June, 2016. The I Amendment redefined the international and provisional boundaries, federal treaties of Pakistan, and naval treaties of Pakistan. This is a list of all the amendments to the Constitution of Pakistan. Redefined the boundaries of Pakistan and removed references to East Pakistan.