The third Sunday in June of each year is designated as Fathers Day to be observed throughout the State as a day set apart in the honor and remembrance of Fathers.
5 ILCS 490/40
Fathers Day
Known as the State Commemorative Dates Act
The act spans §§ 5-490-1 to 5-490-95 (76 sections).
P.A. 87-272.
Official source: Illinois General Assembly. Reproduced from public-domain Illinois statutes; confirm against the official source for the current text. Not legal advice.