RSA 309-B:18 Confidential Communications.

Except by permission of the client for whom a licensee performs services, or the heirs, successors, or personal representatives of such client, a licensee or any partner, officer, member, manager, shareholder, or employee of a licensee shall not voluntarily disclose information communicated to such person by the client relating to and in connection with services rendered to the client by the licensee. Such information shall be deemed confidential, provided, however, that nothing in this chapter shall be construed as prohibiting the disclosure of information required to be disclosed by the standards of the public accounting profession in reporting on the examination of financial statements or as prohibiting disclosures in court proceedings or administrative proceedings before governmental