N.H. Code Admin. R. Ins 206.15
Whenever it shall appear to the department, upon motion or its own initiative, that injury to the substantial rights of a party or undue delay might be thereby avoided, the department shall, as fairness and efficiency permit, sever one or more issues from a proceeding and dispose of those issues in another proceeding, after providing the parties notice and an opportunity for hearing on the proposed severance.
Source. (See Revision Note at chapter heading for Ins 200) #13073-A, eff 7-27-20