The legal system of Saudi Arabia is based on Sharia, Islamic law derived from the Qur'an and the Sunnah (the traditions) of the Islamic prophet Muhammad. The sources of Sharia also include Islamic scholarly consensus developed after Muhammad's death. Its interpretation by judges in Saudi Arabia is influenced by the medieval texts of the literalist Hanbali school of Islamic jurisprudence. Uniquely in the Muslim world, Sharia has been adopted by Saudi Arabia in an uncodified form. This, and the lack of judicial precedent, has resulted in considerable uncertainty in the scope and content of the country's laws. The government therefore announced its intention to codify Sharia in 2010, and, in 2018, a sourcebook of legal principles and precedents was published by the Saudi government. Sharia ha