N.H. Rev. Stat. § 21-G:13

I. The powers, duties, functions, responsibilities, programs and operations of each agency abolished pursuant to acts of the general court relative to executive branch reorganization shall, upon and after the date of each abolition, be exercised and performed by the commissioner of the department to which such powers, duties, functions and responsibilities are transferred. II. The commissioner of each department shall have full authority, consistent with this chapter, to assign powers, duties, functions, responsibilities, programs and operations of abolished agencies to any division within the department, or may determine that any or all of them shall be exercised in such other manner as shall be allowed by law. The commissioner shall make such assignment or determination in accordance with the general functions of each division, as established by the general court. III. Upon the abolition of each agency whose powers, duties, functions and responsibilities are transferred in accordance with this section, any pending or unfinished business of each such agency shall be taken over and be completed by the department to which transferred and its commissioner, with the same power and authority as that of the agency abolished. The department and its commissioner shall be the successor in every way to each such agency, and every act done by the department or its commissioner in the exercise of the functions of each shall be deemed to have the same force and effect under any provisions of the constitution and laws in effect on July 1, 1983, as if done by the agency abolished. IV. Upon the abolition of each agency whose powers, duties, functions and responsibilities are transferred in accordance with this section, the existing rules of each agency shall continue in full effect, without interruption, as the rules of the department to which those powers, duties, functions and responsibilities have been transferred. Rules so continued shall be effective for the remainder of the period originally established under RSA 541-A:17, I.