The driver of any vehicle who knowingly strikes a dog or cat and fails to report the incident to the dog's owner or custodian or the cat's owner or custodian or to a police officer as soon as possible, shall be guilty of a violation.
N.H. Rev. Stat. Ann. § 264:31
Report of Injury to Dog or Cat
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.