048-29 Wyo. Code R. § 29-10
(a) Method of providing notice. All notices to recipients shall be in writing, sent by certified mail, return receipt requested, or hand-delivered. In addition, the Department may provide notice by telephone. The decision to provide telephone notice is discretionary, and the failure to provide telephonic notice shall not affect the validity of the notice.
(b) Contents of notices. Notice shall include:
(c) Time of notice. Written notice shall be mailed to the recipient at least ten days before the effective date of the proposed action, unless the recipients or newborns physician has prescribed a change in the level of services, in which case the notice shall be mailed not later than the effective date of the proposed action.
(d) For purposes of this Section, recipient means an individual that has been determined eligible for Medicaid, the legal guardian of the recipient, or an individual authorized to act on behalf of the recipient.
048-29 Wyo. Code R. § 29-10