GENERAL ORDERS, No. 172. WAR DEPARTMENT, Adjutant General's Office, Washington, December 20, 1865. The following regulation is hereby announced relative to the ex- amination of meritorious non-commissioned officers of the Regular Army for appointment to the grade of brevet 2d Lieutenant, in connec- tion with those promulgated in General Orders, No. 17, Adjutant Gen- eral's Office, of October 4, 1854, issued in accordance with the pro- visions of the act of August 4, 1854. No application to be examined will hereafter be considered from a candidate for promotion under this act who has not served at least two years in the Regular Army. order of the Secretary of War: E. D. TOWNSEND, Assistant Adjutant General. Official: Assistant Adjutant General.