Shaikh Yusuf Talal DeLorenzo, Islamic scholar, position is that unless a financial product or service can be certified as Shari’ah compliant by a competent Shari’ah supervisory board, that product's authenticity is dubious. At that point, it will be the responsibility of the individual investor or consumer to determine on his or her own that the product complies with the principles and precepts of the Shari’ah.



Source : islamic-banking.com