1. Holy Quran
2. Sunnah of Muhammad peace be upon Him.
A fatwa is a ruling based on Islamic law.
The laws of the Songhai Empire were based on Islamic legal principles, following Sharia law. Islamic judges, known as qadis, were responsible for interpreting and enforcing these laws.
according to Quran and Sunnah
Islamic laws are based on Koran and sayings of prophet Muhammad (PBUH)
Islamic Law, called the Shari'a, is based on the exegesis of Islamic texts, especially the Islamic Holy Book called the QUR'AN, but also including the Hadiths and Biography of the Prophet. There is also Qiyaas, which is a case by case applicability of previous precedent to present cases.
Sudan's legal system is based on Islamic law.
The Sharia is the Islamic Religious Law that is based upon the Sunnah, the Koran, the Ijma, and the Qiyas.
Bigoted, simpleminded idiocity!!
The Iranian constitution is adopted. This law is based on Islamic principles. According to this law are supported by the people.
The Vatican City and the Islamic Republic of Iran are certainly theocratic. The Kingdom of Saudi Arabia also has many aspects of theocracy - for example, its law is entirely based on Islamic law - but is an official monarchy.
The unique thing is that the Iranian regime in Iran is a democracy based on Islamic law.
Saudi Arabia, Iran, Afghanistan, Libya, Sudan, Nigeria and Yemen are some countries.