N.H. Rev. Stat. § 5-C:98

I. A vital record may not be issued, duplicated, sealed, or notarized by any persons other than the division or clerks of towns and cities. These restrictions shall not apply to vital records in the public domain unless a certified copy is requested. II. Certified copies of vital records shall be issued to the public only by the state registrar or a clerk of a town or city in accordance with this chapter. III. Written application for a certified copy of a vital record shall be made by mail or in person at the division or at the office of a clerk of a town or city. Telephone and facsimile requests shall be acceptable only if payment is made through an electronic fee system by which payment for vital record copies may be made through a computerized system. IV. Certified copies issued from records marked "Delayed" or "Amended" shall be similarly noted and show the effective date of the delay or amendment. V. A certified copy of a vital record shall be issued if a direct and tangible interest claim is approved pursuant to RSA 5-C:102. VI. A clerk of a town or city or the state registrar shall issue a certified copy of a vital record or a summary of the vital record even though required items of information are missing from the application if the information provided enables the record to be located and identified and there is no question concerning the direct and tangible interest of the applicant.