Banks have requested the RBI for one more year's time to implement the system of Expected Credit Loss (ECL) for provisioning of loans. At present, banks set aside money after an asset turns bad, and once the new system is put in place, it is widely expected to have an one-time impact on banks' profits. "We have requested the regulator to allow us little more time to prepare ourselves for this," industry lobby grouping IBA's chief executive Sunil Mehta said.