N.H. Code Admin. R. Agr 204.11
Any party to an adjudicative proceeding may be represented by counsel, but an attorney appearing on behalf of a party shall first file a letter at the earliest date possible, in accordance with Agr 204.12, announcing the fact of representation.
Source. #6299, eff 7-25-96, EXPIRED: 7-25-04 New. #8309-A, eff 3-24-05