Section Puc 203.23 - Evidence(a) The parties entitled to offer evidence at hearing in an adjudicative proceeding shall be the petitioner, the staff of the commission, the office of consumer advocate and any person granted intervenor status.(b) All testimony of parties and witnesses, including any prefiled written testimony adopted by a witness at hearing, shall be made under oath or affirmation.(c) Pursuant to RSA 365:9 and RSA 541-A:33, II, the rules of evidence shall not apply in proceedings before the commission.(d) The commission shall exclude irrelevant, immaterial or unduly repetitious evidence.(e) The commission shall give effect to the rules of privilege recognized by law.(f) The commission shall entertain objections to evidence at hearing and note them in the record.(g) A party shall submit documentary evidence in the form of copies or excerpts unless the commission finds that the authenticity of the submission is questioned or the copy is not legible.(h) Excerpts of documents shall include the proper citation to the complete document.(i) A response to a data request posed pursuant to Puc 203.09(a), when offered into evidence by a party other than the party that provided the response, shall be treated as an admission of the party that provided the data response.N.H. Admin. Code § Puc 203.23