Every subscriber of a domestic reciprocal insurer having contingent liability shall be liable for, and shall pay his share of any assessment, as computed and limited in accordance with this article, if,
(a) While his policy is in force or within one year after its termination, he is notified by either the attorney or the receiver, conservator, rehabilitator or liquidator of his intentions to levy such assessment, or
(b) If an order to show cause why a receiver, conservator, rehabilitator, or liquidator of the insurer should not be appointed is issued while his policy is in force or within one year after its termination.