The Business Resources Branch issues Commercial Use Authorizations (CUAs) for Hunt Outfitters in Grand Teton National Park and the John D. Rockefeller, Jr. Memorial Parkway. Any outfitter or guide who holds a valid license from the Wyoming State Board of Outfitters and Professional Guides is eligible to apply for a CUA. A CUA is required to outfit and guide hunts in Grand Teton National Park and/or the John D. Rockefeller, Jr. Memorial Parkway. It is each CUA holder's responsibility to know and understand the conditions of the authorization and all applicable Wyoming Game and Fish and National Park Service regulations that apply. There is currently no moose, wolf or bison hunting allowed in the John D. Rockefeller, Jr. Memorial Parkway. Only elk hunting is allowed in Grand Teton National Park under the Elk Reduction Program. Hunt Outfitter CUA Letter and Instructions.