Section 4-303 - Interest on deposits(a) A savings bank may pay interest on its deposits only from its profits, after deducting expenses for management, losses, necessary credits to premium accounts, taxes, and required additions to the guaranty fund.(b) In determining its profits, a savings bank is not required, as to any bond that it buys or holds, to charge off from the premium of the bond more than an amount proportionate to the life of the bond.