Key facts: Utah requires formal probate for estates exceeding $50,000 in value; executors must file inventory within 60 days of appointment; creditors have 30 days from direct notice or 60 days from publication to file claims; executor duties are governed by the Utah Uniform Probate Code and Utah Rules of Probate Procedure; executors bear personal fiduciary liability for improper administration; final accounting must be filed with the court before estate closure.