55 ILCS 5/6-1003
After the adoption of the county budget, no further appropriations shall be made at any other time during such fiscal year, except as provided in this Division. Appropriations in excess of those authorized by the budget in order to meet an immediate emergency may be made at any meeting of the board by a two-thirds vote of all the members constituting such board, the vote to be taken by ayes and nays and entered on the record of the meeting. After the adoption of the county budget, transfers of appropriations may be made without a vote of the board; however, transfers of appropriations affecting personnel and capital may be made at any meeting of the board by a two-thirds vote of all the members constituting such board, the vote to be taken by ayes and nays and entered on the record of the meeting, provided for any type of transfer that the total amount appropriated for the fund is not affected.
55 ILCS 5/6-1003