N.H. Rev. Stat. § 516:38
In any contested case for an alleged motor vehicle violation in district court at which a keeper of the records or technical specialist from the department of safety, bureau of hearings or division of motor vehicles is summoned to testify, the state may move to take the testimony of the keeper of the records or technical specialist by video teleconference, provided that the testimony is limited to expert testimony or to the results of and matters relating to records of the department of safety. Notice shall be provided to the defendant, and the defendant shall have an opportunity to object to the introduction of testimony by video teleconference. Similarly, in any contested case for an alleged motor vehicle violation in district court, the defendant may move to take the testimony of his or her own expert witness by video teleconference, provided that the testimony is limited to expert testimony or to the results of and matters relating to records of the department of safety. Notice shall be provided to the state, and the state shall have an opportunity to object to the introduction of testimony by video teleconference. Examination and cross-examination of the expert witness shall proceed in the same manner as permitted at a contested case for an alleged motor vehicle violation in district court. For purposes of this section, "video teleconference" includes the use of any technology that provides live, interactive aural and visual communication.
RSA 516:38
2011, 220 : 3 , eff. Aug. 27, 2011.