N.H. Rev. Stat. Ann. § 35-A:21

All property of the bank shall be exempt from levy and sale by virtue of an execution and no execution or other judicial process shall issue against the same nor shall any judgment against the bank be a charge or lien upon its property; provided, that nothing herein contained shall apply to or limit the rights of the holder of any bonds or notes to pursue and remedy for the enforcement of any pledge or lien given by the bank on its revenues or other moneys.