N.H. Rev. Stat. Ann. § 170-A:3

The "appropriate public authorities" as used in Article III of the Interstate Compact on the Placement of Children shall, with reference to this state, mean the department of health and human services and said department shall receive and act with reference to notices required by said Article III. As used in paragraph (a) of Article V of the Interstate Compact on the Placement of Children, the phrase "appropriate authority in the receiving state" with reference to this state shall mean the commissioner of the department of health and human services.