072-15 Wyo. Code R. § 15-5
(a) If the review of a disability results in cancellation of a disability retirement benefit, the recipient shall be informed by certified mail, return receipt requested, of the reason for the cancellation and the options available for appeal. The benefit shall be canceled beginning the month following the determination.
(b) If a benefit recipient fails or refuses to either provide required medical information or submit to any procedure specified in this Chapter within sixty (60) days from the date the System or its designee requests such information or procedure, the recipient's benefit shall be canceled beginning the month following the 60 day period, and the recipient shall be notified of the cancellation by certified mail, return receipt requested.
072-15 Wyo. Code R. § 15-5