N.H. Code Admin. R. Fis 1801.01
“Conviction” means a determination that a person has violated or failed to comply with the law in a court of original jurisdiction or an administrative proceeding which has not been annulled or vacated, an unvacated forfeiture of bail or collateral deposited to secure the person's appearance in court, a plea of guilty or nolo contendere accepted by a court, the payment of a fine or court costs, or the violation of a condition of release without bail, regardless of whether the penalty is rebated, suspended or otherwise affected by probation.
Source. (See Revision Note #1 and Revision Note #2 at chapter heading for Fis 1800) #12562, eff 6-28-18