My understanding is that officers could resign and were not required to serve thereafter.

There was a H. A. Box who served with Yeager’s, 12th Cavalry Regiment. I cannot confirm if this is the same man.

Hiram A. Box, Company F, 4th Mississippi Infantry Regt. was elected 3rd Lt. and served with the Co F from his enlistment Aug 24, 1861 to his resignation of his Commission at Lovejoy Station following the Atlanta Campaign.

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Hiram A. Box, age 28, Orderly (First) Sergeant, Captain W. A. Sumner’s Company, 4th Regiment Mississippi Volunteers,* enlisted August 24, 1861 at Grenada by Maj. Layton for 12 months, captured at Fort Donelson February 16, 1862, imprisoned at Camp Morton, Indiana, elected 3rd Lieutenant September 26, 1862, captured at Vicksburg, Miss. July 4, 1863, paroled July 8, 1863, resigned October 22, 1864,** no further records

* This company subsequently became Company F, 4th Regiment Mississippi Infantry

** “ . . . has been in the infantry service for three years and desires to change to another branch of the service”

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H. A. Box, 4th Corporal, Company E, Yerger’s (12th) Regiment, Cavalry, surrendered with the Army commanded by LGen. R. Taylor May 4, 1865 and parked at Grenada, Miss., May 18,1865, resident of Pittsboro, Miss., no other records

M269: Compiled Service Records of Confederate Soldiers Who Served in Organizations from the State of Mississippi

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H A. Box

Enlisted as a Corporal
"E" Co. MS 12th Cavalry

Sources used by Historical Data Systems, Inc.:
- Index to Compiled Confederate Military Service Records

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Record of Events for Twelfth Mississippi Cavalry
(Sixteenth Confederate Cavalry)

Company E

Stationed at Blue Mountain, Alabama, June 5, 1864.
September 20, 1863.— The company was organized by order of
Brigadier-General Pillow and mustered into service same day by
Captain Massey.
April 1, 1864.— Was on conscript duty from that date [to] about
April 1, 1864. Was ordered to report to General Forrest.
Participated in the fight from West Point to Pontotoc.
Was ordered by General Forrest to report to Major-General
Lee and by Lieutenant-General Polk to report to Colonel Armis-
tead as part of his regiment.

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Hiram A. Box in the Arkansas, Confederate Pension Records, 1891-1935

Name: Hiram A. Box
Spouse Name: Caroline Virginia Box
Residence Location: Drew, Arkansas
State Served From: Mississippi
Division: Infantry
Company: F
Regiment: Drew
Vet Application Year: 1905
Death Date: 6 Jul 1921
Spouse Death Date: 11 Jun 1936
Comments: Widow applied 1921 / questionnaire

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Hiram A Box in the U.S., Headstone Applications for Military Veterans, 1925-1963

Name: Hiram A Box
Birth Date: 23 Dec 1832
Death Date: 3 Jul 1921
Cemetery: Lone Sassafras
Cemetery Location: Rural, Arkansas

The application, January 9, 1954, for a Flat Bronze Marker records only his service with the 4th Mississippi as O.S .and 3rd Lt.