Wyo. Stat. § 33-39-130: Noncertified person may not maintain action for fee.

No action or suit shall be instituted, nor recovery be had, in any court of this state by any person for compensation for any act done or service rendered as a certified real estate appraiser, unless the person held a permit to practice under this act at the time of offering to perform any act or service as a certified real estate appraiser or procuring any promise to contract for the payment of compensation for any contemplated act or service as a certified real estate appraiser.