In Steele's CMSR is this:

Headquarters, Trans-Mississippi Department
Little Rock, Ark., Dec. 29, 1862

Special Orders No 126
I. Paragraph III, Special Orders, No. 120, current series, is hereby revoked and Brigadier General William Steele will report to Major General T.C. Hindman for command in the Indian Territory, and will be ex-officio Superintendent of Indian Affairs.

The quartermaster will furnish Gen. Steele the necessary transportation.

By command of Lieut. Gen. Holmes
S.S. Anderson
Asst Adjt. General