60 ILCS 1/60-20: Resignation of officer.

(a) The township board may, for sufficient cause shown to them, accept the resignation of any officer of their township. Whenever they accept a resignation, the township clerk shall make a minute of the acceptance upon the township records. A resignation of a multi-township assessor, however, shall be made to and may be accepted by the multi-township board, and the clerk of the multi-township board shall make the minute upon the records of the multi-township board and forward a copy of the resignation and minute to the county clerk, the Department of Revenue, each of the township boards in the multi-township jurisdiction, and the supervisor of assessments for entry upon their permanent records.

(b) Resignations become effective upon acceptance by the township or multi-township board, as the case may be.