In the event of the failure of an FDIC-insured depository institution, the FDIC is concerned that there could be unexpected losses to securitization investors of principal and interest payments deposited at such institution by a securitization servicer. Accordingly, on October 24, the FDIC adopted an interim rule to simplify the deposit insurance rules for accounts held at FDIC-insured institutions by mortgage servicers. Under the interim rule, the FDIC will be able to make deposit insurance determinations on mortgage servicing accounts, as well as pay deposit insurance, more quickly. FDIC Rule.