N.H. Rev. Stat. Ann. § 281-A:5-a
Any private employer as defined in RSA 281-A:2, VIII, or any group or association of homogeneous employers may, subject to RSA 281-A:5, III, and any rules adopted to enforce such section, self-insure for workers' compensation coverage provided that such employer or group or association of homogeneous employers shall:
Source. 1992, 43:5, eff. June 8, 1992.