An officer having authority to serve process or make an arrest may require suitable aid in the execution of his office. Any person who neglects or refuses to give such aid when so required shall be fined not more than $20.
N.H. Rev. Stat. Ann. § 104:12
Requiring Aid
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.