Legal Question in Landlord & Tenant Law in Illinois

Most likely, but it would depend on the circumstance. One party cannot unilaterally change a term after the lease is executed.

It's better if it is, but as long as it is signed by the "party to be charged" at least if you have that, it's something. And by the "party to be charged", let's say it's a rent reduction. Since it benefits the tenant, you'd want the landlord's initials, or if it's an assumption of the obligation of the tenant to shovel the walk, you'd want the tenant to initial -- and if it's something like an extension of term with a change in rent, then you'd want BOTH to initial and most likely sign completely.....

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