security deposit pursuant to the
rules and regulations of the Illinois Commerce Commission applicable to
applicants for new utility service; and (c) agrees to pay future bills. Any
sums the tenant or tenants, as the case may be, pay for water, gas or
electrical service that the landlord or his or her agent was required to
pay may be deducted from the rent due by the tenant or tenants, and the
total rent is diminished by the amount the tenant or tenants, as the case
may be, have paid for the continuation of the water, gas or electrical service.