N.H. Rev. Stat. Ann. § 169-A:8

Any judge of this state who appoints counsel or guardian ad litem pursuant to the provisions of the compact may, in his discretion, fix a fee which shall be a charge against the county if ordered by the superior court and if ordered by a municipal court said fee shall be paid out of funds collected by the court as provided in RSA 502:14, provided, however, that no fee shall exceed the sum of $100.