I have found this case law....does it not apply?
"Commercial Union Assocs. v. Clayton, 863 P.2d 29, 34 (Utah Ct.App.1993)
Estate Landscape and Snow Removal
Specialists, Inc., v. Mountain States Tel. and Tel. Co., 844 P.2d 322, 330 (Utah 1992) ("[A] party's
conduct may be conclusive proof...