"Instrumentality": Any body, corporate or politic, or any legal entity, other than a municipality, having power to appropriate for, or to authorize expenditures for, payment of earnings to employees from any fund or funds derived in whole or in part from taxes, assessments, fees or other revenues of a municipality; and, in counties, the several county fee offices.
40 ILCS 5/7-107
Instrumentality
Laws 1963, p. 161.
Official source: Illinois General Assembly. Reproduced from public-domain Illinois statutes; confirm against the official source for the current text. Not legal advice.