A member self-insurer shall be insolvent for the purposes of this Article under any of the following circumstances:
(1) Determination of insolvency by a court of competent jurisdiction.
(2) Institution of bankruptcy proceedings by or regarding the member self-insurer.
(3) The Board determines that the member self-insurer's total liabilities exceed its total assets or the member self-insurer is unable or ceases to pay its debts as they fall due or in the ordinary course of business.
(4) A member self-insurer is deemed to be insolvent, bankrupt, or in default as defined by the terms of any security instrument created pursuant to the Association Aggregate Security System.