An agreement is usually broken down into two parts: an offer and an acceptance and involves a 'meeting of the minds' (a consensus) between two or more parties. The basic principle of Australian contract law is freedom of contract, under which parties are at liberty to strike whatever bargain they choose.Our principal lawyer offers expert construction contract review and advice to homeowners and contractors for residents of Orange and surrounding areas. A contract is an agreement made between 2 or more parties that is legally enforceable. Contact Us. Fill out the form or call 1 800 772 772. A LexisNexis® expert will reach out to you with more information. BuyRight is a tool to assist you through the procurement process: Contract Variations. Contract law is a set of rules that govern agreements between parties. A contract is a legally binding agreement between two or more parties. Cooley offers our US clients the ability to pay invoices online via a secure payment portal.