N.H. Rev. Stat. Ann. § 328-A:1

This chapter is enacted for the purpose of protecting the public health, safety, and welfare, and of providing for state administrative control, supervision, licensure and regulation of the practice of physical therapy. It is the legislature's intent that only individuals who meet and maintain prescribed standards of competence and conduct may engage in the practice of physical therapy as authorized by this chapter. This chapter shall be liberally construed to promote the public interest and to accomplish the purpose stated herein.