Stepbystep guide on how to write contracts for leases, business partnerships, and employment contracts. This handbook guides attorneys through the process of creating, formatting, and modifying contracts.Illinois contract law demands an offer, acceptance, consideration, clear terms, and mutual intent to form a valid contract. This Illinois Construction Contracts page summarizes the terms and requirements every Illinois construction company should know. "Contract" means a written agreement between 2 or more parties. Looking for an experienced Illinois corporate lawyer for contract law? Find the best lawyer for your needs with our helpful tips and advice. Our experienced attorneys can help you determine if you have a breach of contract case and what legal remedies are available. The Act goes into effect on July 1, 2024. The Act requires contracts and payments to freelance workers be made in a timely manner.