765 ILCS 745/12

No lease hereafter executed or currently existing between a park owner and tenant in a mobile home park or manufactured home community in this State shall contain any provision: (a) Permitting the park owner to charge a penalty fee for late payment of rent without allowing a tenant a minimum of 5 days beyond the date the rent is due in which to remit such payment; (b) Permitting the park owner to charge an amount in excess of one month's rent as a security deposit; (c) Requiring the tenant to pay any fees not specified in the lease; (d) Permitting the park owner to transfer, or move, a mobile home to a different lot, including a different lot in the same mobile home park or manufactured home community, during the term of the lease; (e) Waiving the homeowner's right to a trial by jury. If one provision of a lease is invalid, that does not affect the validity of the remaining provisions of the lease.