BY ZALEHA ZAIN. In our world nowadays, the contract of Al-Bay’ Bithaman Ajil (BBA) had always been used for long time duration of financing. For example, home financing. In Malaysia also, this concept is popular and it showed that at the Kuala Lumpur High Court alone, 90% of the 3,200 Muamalat cases registered between 2003 to 2009 concerns BBA . While the BBA is popular, it has proven to be quite unsatisfactory to the customers and bankers. That’s why Musharakah Mutanaqisah concept is being argued as a better contract than BBA for long time duration. THIS PAPER DISCUSSED ON THE ISSUES AND RECOMS OF MM.