Illinois constitution
Article V
Section 11

The Governor, by Executive Order, may reassign functions
among or reorganize executive agencies which are directly
responsible to him. If such a reassignment or reorganization
would contravene a statute, the Executive Order shall be
delivered to the General Assembly. If the General Assembly is
in annual session and if the Executive Order is delivered on
or before April 1, the General Assembly shall consider the
Executive Order at that annual session. If the General
Assembly is not in annual session or if the Executive Order
is delivered after April 1, the General Assembly shall
consider the Executive Order at its next annual session, in
which case the Executive Order shall be deemed to have been
delivered on the first day of that annual session. Such an
Executive Order shall not become effective if, within 60
calendar days after its delivery to the General Assembly,
either house disapproves the Executive Order by the record
vote of a majority of the members elected. An Executive Order
not so disapproved shall become effective by its terms but
not less than 60 calendar days after its delivery to the
General Assembly.