(1) Except as provided in section 11-47-112 (6)(a), any eligible public depository shall secure public deposits accepted and held by it by pledging eligible collateral having a market value, at all times, equal to at least one hundred percent of the aggregate of said deposits not insured by the federal deposit insurance corporation or its successor.
(2) The eligible collateral pledged shall be held as specified in section 11-47-109; except that the depository shall be required to furnish each governmental unit whose deposit is so secured with a statement, signed under oath by an executive officer of said depository, certifying to said governmental unit that its deposit is secured in the manner specified in subsection (1) of this section and specifying where the collateral pledged is being held in custody.