N.H. Rev. Stat. Ann. § 383-C:10-1001

A trust company may voluntarily dissolve in the manner provided in this article. Upon dissolution under this section, a trust company shall surrender its trust company charter to the commissioner and shall not have authority to transact business as a state bank or to engage in trust business in this state. Dissolution of a trust company may be accomplished by the liquidation of the trust company or by reorganizing the trust company into an entity that does not have authority to transact business as a state bank or conduct trust business in this state.