Twelfth Amendment to the Constitution of Pakistan
The Twelfth Amendment to the Constitution of Pakistan (Urdu: آئین پاکستان میں بارہویں ترمیم) was passed by the Parliament on 28 July 1991. The bill established Special Courts for the trial of heinous offenses. It also raised the salaries of the judges of the Supreme Court and the High Courts. Amendments include addition of a new Article 212-B in the Constitution, and amendment of Fifth Schedule to the Constitution. The new article 212-B was inserted for a period of only three years and thus became ineffective in July 1994. Twelfth Amendment