N.H. Rev. Stat. Ann. § 564-F:14-1402
(a) Subject to subsections (b) and (c), the following shall apply:
(2) The following person may represent and bind an incompetent individual:
(A) A guardian of the incompetent individual's estate; or
(B) A guardian of the incompetent individual's person if a guardian of the incompetent individual's estate has not been appointed.
(6) An individual may represent and bind each of the individual's minor, incapacitated, or unborn children if the child is not represented by:
(A) A guardian of the estate under subsection (a)(2)(A); or
(B) A guardian of the person under subsection (a)(2)(B).
(7) An individual may represent and bind each of the individual's minor, incapacitated, or unborn descendants if the descendant is not represented by:
(A) The descendant's parent under subsection (a)(6);
(B) A guardian of the estate under subsection (a)(2)(A); or
(C) A guardian of the person under subsection (a)(2)(B).
(9) A person may represent and bind any of the following persons if the representative and the represented persons have substantially identical interests with respect to the matter or dispute:
(A) A minor, incapacitated, or unborn individual; or
(B) A person whose identity or location is unknown and is not reasonably ascertainable.
(10) Subject to section (d), a person may represent and bind any of the following persons whom the person is appointed to represent in accordance with reasonable procedures under the governing documents:
(A) A minor, incapacitated, or unborn individual;
(B) A person whose identity or location is unknown and is not reasonably ascertainable; or
(C) A person whose interest is not adequately represented under this section.
(11) A person may represent and bind any of the following persons whom a court appoints the person to represent:
(A) A minor, incapacitated, or unborn individual;
(B) A person whose identity or location is unknown and is not reasonably ascertainable; or
(C) A person whose interest is not adequately represented under this section.
(b) A person may not represent another person to the extent that:
(c) A founder shall not represent or bind a beneficiary in connection with any matter or dispute involving:
(d) For purposes of subsection (a)(10), the procedure for the appointment of a representative is not reasonable if:
(e) A person who may act as another person's representative under section (a) may represent and bind the represented person in connection with any matter, dispute, or judicial proceeding involving the foundation.
Source. 2017, 257:47, eff. Oct. 1, 2017. 2018, 210:11-13, eff. June 8, 2018.