N.H. Code Admin. R. Agr 204.12
Each representative of a party, whether an attorney or non-attorney, shall, upon being retained by a client in a matter pending before the department, file a letter of representation with the department and shall send copies of that letter to all parties of record.
Source. #6299, eff 7-25-96, EXPIRED: 7-25-04 New. #8309-A, eff 3-24-05