RSA 170-B:5 Persons Required to Execute a Surrender of Parental Rights.

I. Unless excused pursuant to RSA 170-B:7, a surrender of parental rights shall be obtained from:
(a) The birth mother, provided that if the birth mother is under 18 years, the court may require the assent of her parents or legal guardian;
(b) The legal father, provided that if the legal father is under 18 years, the court may require the assent of his parents or legal guardian;
(c) The birth father, provided that he was found to be entitled to notice and found to be entitled to the right to surrender his parental rights under RSA 170-B:6, and provided that if the birth father is under 18 years, the court may require the assent of his parents or legal guardian;
(d) The legal guardian of the adoptee, if both birth parents are deceased, or if parental rights of