Each treasurer, before entering upon the duties of his office shall take and subscribe to the oath or affirmation prescribed by Section 3, Article XIII of the Constitution which shall be filed with the county clerk.
55 ILCS 5/3-10002
Oath
P.A. 86-962.
Official source: Illinois General Assembly. Reproduced from public-domain Illinois statutes; confirm against the official source for the current text. Not legal advice.