(1) The director may make a finding that a minimum cash balance of at least one month's allotment be maintained in the banking fund as set out in RCW 43.320.110. One month's allotment is the current biennium budget divided by twenty-four months.

(2) In the event the banking fund balance drops below the required amount, the director may declare the next semiannual asset assessment due. The department shall bill each institution based on the most current report of condition. Payment is due within thirty days of such declaration and shall be in lieu of the next regularly scheduled asset assessment.