46 CFR § 351.2 - Qualification of depository.
(a)General qualification. Any depository which is a member of the Federal Deposit Insurance Corporation will be approved for deposit of funds under the maritime programs authorized by the Act. With respect to the Capital Construction Fund program, any depository which is a member of the Securities Investor Protection Corporation, and is organized as a corporation under the laws of the United States, any State, territory, or possession thereof or the District of Columbia, will also be approved for the deposit of funds.
(b)Limitation on amount of deposits. No person making deposits under the programs authorized by the Act shall make or maintain deposits which exceed 5 percent of the depository's total deposits.