Wyo. Stat. § 26-27-123: Time limit for assessments.

(a) Each subscriber of a domestic reciprocal insurer having contingent liability is liable for and shall pay his share of any assessment, as computed and limited in accordance with this chapter, if:

(i) While his policy is in force or within one (1) year after its termination, he is notified by either the attorney or the commissioner of his intentions to levy an assessment; or

(ii) 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 (1) year after its termination.