Any person who is sixteen years of age, or older, and who is competent to be a witness generally in this state, may act as an attesting witness to a will.
Iowa Code § 633.280
Competency of witnesses
Known as the Iowa Probate Code
The act spans §§ 633–633 (527 sections).
[C66, 71, 73, 75, 77, 79, 81, §633.280]
Official source: Iowa Legislature. Reproduced from public-domain Iowa statutes; confirm against the official source for the current text. Not legal advice.