[Summary made by the web site Reverso] The banking activity is the mainspring of the economy. In the legal western systems of type(chap), banks use the contract law to propose their services(departments), whether it is the commercial bank or the merchant bank. Also, banks double imagination to increase their margins and the profitability of the investments(placements) which they make from the funds(collections) which are put down(deposited) by the savers. Finally, banks participate in the financing of big projects and so allow their realization, generally with an intervention of the public authorities. All the banking activities are the object of a strict regulations and a law and order to guarantee the solvency of banks and protect the credit. The Islamic finance joins in this legal plan, however she has to integrate(join) numerous constraints engendered by the application and the respect for Chari' has. Indeed, it seems that at first sight the ban on the interest, riba, and on the chance, to gharar, establish(constitute) insuperable obstacles to be able to work as banker. In reality, the Islamic finance can perfectly develop, on conditions and in a frame(executive) which it is necessary to explain.
"Financing and investment transactions in muslim law"