N.H. Rev. Stat. Ann. § 673:3-a

Any member of a zoning board of adjustment or planning board may complete training offered by the office of planning and development or another organization that provides similar training covering the processes, procedures, regulations, and statutes related to the board on which the member serves. The office of planning and development shall develop standard self-training materials and corresponding tests for zoning boards of adjustment and planning boards which shall be provided to members free of charge. The office of planning and development may provide other types of training, which may be designed in a variety of formats including, but not limited to, web-based, distance learning, or traditional classroom style. For purposes of this section, the term "member" includes regular and alternate members of zoning boards of adjustment and planning boards.