N.H. Rev. Stat. Ann. § 141-G:7

No facility licensed under RSA 151 or agent, employee, administrator, physician, official, other representative of such facility, or emergency response/public safety worker shall be held jointly or severally liable, either as a facility or personally, for reporting as required under this chapter, if such report was made in good faith and was in accordance with the confidentiality procedures of the facility and RSA 141-F. All such parties who have acted in good faith shall have total immunity from civil or criminal liability for any act performed in the fulfillment of the duties imposed by this chapter.