Utah Code Title 41. Motor Vehicles § 41-1a-114. Method of giving notice

(1) If the division is required to give any notice under this chapter or other law regulating the operation of vehicles, vessels, and outboard motors, unless a different method of giving the notice is expressly prescribed, the notice shall be given either by:

(2) Notice by mail is complete upon the expiration of four days after deposit of the notice.

(3) Proof of the giving of notice in either manner specified in Subsection (1) may be made by the certificate of any officer or employee of the division or affidavit of any person over 18 years of age, naming the person to whom the notice was given and specifying the time, place, and manner of giving the notice.