A writing may be proved either:
(1) by any one who saw the writing executed;
(2) by evidence of the genuineness of the handwriting of the maker; or
(3) by a subscribing witness.
Utah Code § 78B-5-608
Writings -- How proved
Renumbered and Amended by Chapter 3, 2008 General Session
Official source: Utah State Legislature. Reproduced from public-domain Utah statutes; confirm against the official source for the current text. Not legal advice.