For every Islamic Muslim, the way one runs personal life, business and social affairs are all bound by the same religious law.

The Qur'an, (commonly called the Koran) is the sacred book of Islamic teachings. Muslims believe the Qur'an is God's word as told to the Prophet Muhammad. Secondary to the Qur'an are the hadiths, a collection of stories (also called sira) and sayings of Muhammed, generally regarded as illustrations and validations of the Qur'an teachings.Islam does not regard the church as separate from the state, thus both public business and private morality are held to the same standards. For every Muslim therefore, the way one runs personal life, business and social affairs are all bound by the same religious law.In order to be a Muslim, one must adhere to five basic principles, known as the "five pillars of Islam."
Belief that Allah is the only God, and Muhammed is his prophet.Saying daily mandated prayers.
Giving a portion of ones income to the needy.
Fasting during the holy month of Ramadan.
Making the hajj - pilmigrage to Mecca - once in a lifetime.
The Biblical Ten Commandments are also found within the Qur'an, as told by Allah to Muhammed. The same basic moral laws are identical in Islam and Christianity.
Additionally, there are rules for daily living an observant Muslim follows, as laid out in the Qur'an. Called "Sunna" or "rules of life" they govern personal and public behavior.
Some foods are prohibited - pork and certain other meats, alcohol, or any non-Halal