35 ILCS 200/3-20: Reimbursement when serving more than 1 county.

When 2 or more counties have, with Department approval, elected or appointed the same person as county supervisor of assessments, subject to appropriation, the Department shall pay out of the Personal Property Tax Replacement Fund to the counties a total of $5,000 per year to be applied toward the person's salary. The Department shall apportion the $5,000 among such counties in proportion to each county's share of the salary.

The amount payable under this Section is in addition to the 50% reimbursement provided for in Section 3-40, but in no event shall the total paid under this Section and the reimbursement under Section 3-40 exceed the compensation of the supervisor of assessments.