If any one of the commissioners is unable to attend at the time and place appointed the commissioners present may, by writing under their hands, appoint a person who has served in such office to act in his stead.
N.H. Rev. Stat. Ann. § 232:6
Substitute Commissioner
Source
Official source: New Hampshire General Court. Reproduced from public-domain New Hampshire statutes; confirm against the official source for the current text. Not legal advice.