This handbook guides attorneys through the process of creating, formatting, and modifying contracts. In a unilateral contact only one party is bound at the outset, while a bilateral contract binds both parties.The answer lies in four critical ingredients: an offer, acceptance, consideration, and mutual intent to establish a legal commitment. After reading this chapter, you should understand the following: What role contracts play in society today. As long as a document meets the requirements of a contract, it is enforceable. You want to design and build, not get 'hung up' with contracts. Our Business Contract Law training course Chicago gives the basics of Business Contract Law, understanding the fundamentals, and avoiding risky contracts. The two legal cornerstones of business relationships are contract and tort. As long as a document meets the requirements of a contract, it is enforceable. The City buys goods and services in the following ways: Formal Competitive.