N.H. Rev. Stat. Ann. § 291-A:4
Subject to RSA 291-A:8, an anatomical gift of a donor's body or part may be made during the life of the donor for the purpose of transplantation, therapy, research, or education in the manner provided in RSA 291-A:5 by:
I. The donor, if the donor is an adult or if the donor is a minor and is:
Source. 2010, 111:1, eff. July 31, 2010.