(20 ILCS 1815/27)
(from Ch. 129, par. 255)
The uniforms of the Illinois State Guard shall be as prescribed by
The Adjutant General, approved by the Governor. They shall be clearly
distinguished by the letters, "ILL" and the State insignia to be worn as
directed by The Adjutant General.
(Source: Laws 1951, p. 1999.)