N.H. Rev. Stat. § 262:37-a
The custodian of the vehicle may obtain the name and last known mailing address of the last registered owner of a vehicle stored pursuant to this subdivision, and a law enforcement officer with jurisdiction, upon request of the operator of a tow truck, shall give to the tow truck operator, upon receipt of such information, the name and mailing address of the registered owner of the vehicle if the owner or custodian of the vehicle was not present or able to give that information at the scene. If the law enforcement officer is aware that the owner or custodian of the vehicle was removed to a medical or correctional facility, the law enforcement officer shall notify the tow truck operator of that fact.
RSA 262:37-a
2010, 344:7, eff. Sept. 18, 2010.