C0@MMISSION, government. Letters-patent granted by the government, under the public seal, to a person appointed to an office, giving him authority to perform the duties of his office. The commission is not the appointment, but only evidence of it; and as soon as it is signed and sealed, vests the office in the appointee. 1 Cranch, 137; 2 N. & M. 357; 1 M'Cord, 233, 238. See Pet. C. C. R. 194; 2 Summ. 299; 8 Conn. 109; 1 Penn. 297; 2 Const. Rep. 696; 2 Tyler, 235.