Wyo. Stat. Ann. § 11-23-301

With the consent of the owner, unless removal is contrary to state, county or local sanitary regulations or in the opinion of the state veterinarian might result in spreading contagious or infectious disease or threaten the health of human beings, animals or poultry, carcasses of animals may be transported to any rendering plant legally operating without prior inspection for brands and ownership. The operator of a rendering plant within this state receiving the carcasses is a hide buyer and shall comply with W.S. 11-23-201 through 11-23-207.