The Illinois Saint Andrew Society Tartan is designated the official tartan of the State of Illinois.
5 ILCS 460/95
State tartan
Known as the State Designations Act
The act spans §§ 5-460-1 to 5-460-95 (40 sections).
P.A. 97-756, eff. 7-6-12.
Official source: Illinois General Assembly. Reproduced from public-domain Illinois statutes; confirm against the official source for the current text. Not legal advice.