The Public Deposit Protection Commission may make and enforce rules necessary and proper to the full and complete performance of the commission's functions under this chapter, including the authority to provide by rule for a sum less than one hundred percent if the depositor of public funds contracts with a qualified public depository for a lesser amount, and including the authority to provide by rule for a sum less than one hundred percent if the qualified public depository is subject to seasonal variances in public deposits.
SDCL 4-6A-20