Muamalat is set of rules (fiqh) related to worldly matters such as business/trading/commerce transactions, lending and borrowing contracts. Muamalat also involves the rules regarding the social interactions between human such as marriage, inheritance (waqaf, faraidh) and other human activities.
There are other secondary sources of Islamic law which are collective opinions agreed among Shariah scholars (Ijma’) i.e the 4 (four) school of Fiqh – Hanbali, Maliki, Hanafi and Shafie, Analogy (Qiyas), Personal Reasoning by Ulama’ (Ijtihad) and Traditions/Customs (Urf) – as long as it is not in conflict with Shari’ah.
Among the requirement of Shari’ah laws in practicing businesses transacrions:
· Not producing and trading of illicit materials (swine, liquor, stolen goods)
· Not producing and trading of materials which are of no use
· Not producing and trading of materials which are of no use
· Gharar (Uncertain)
· Contains Elemnet of Riba and
· Involvement of gambling elements