Wyo. Stat. § 33-16-533: Cremation of human remains; chemical disposition.

The funeral director, funeral service practitioner, or other person having charge of the preparation of human remains for burial or the last rites and committal services thereof shall have the right to be present either in person or by his employees, at any stage of the cremation or chemical disposition of such human remains. No crematorium or other appropriately licensed entity conducting chemical disposition shall accept human remains for cremation or chemical disposition until it has received a burial-transit permit required by law.