9:23 Certificates of Service. – No bill of a state officer or employee for services or expenses, except salaries provided by statute, shall be approved by the governor and council or paid by the state treasurer unless it is accompanied by a certificate under oath of said officer or employee that the service has been actually performed and the expense actually incurred. Source. 1905, 78:1. PL 15:39. RL 22:34.
New Hampshire Legal Code