RSA 463:13 Order for Support for the Benefit of a Minor Under Guardianship and Visitation.

I. The appointment of a guardian over the person or over the estate of a minor shall not relieve the minor's parents or any other persons liable for the support of the minor from their obligation to provide for such support. The court, at the time of such appointment, or at any time thereafter, may order and require such parent, parents, or other persons to contribute to the support and maintenance of the minor in such amounts and at such times as the court determines to be just and reasonable.
II. The court may from time to time, upon application of the guardian or any other party interested, and notice to the party having the duty to provide support, revise, or alter such order, or to make such new order or decree as the circumstances of the party or parties having the duty