Australia's commercial contract framework is governed by the common law and supplemented by equitable doctrines, statutes (Commonwealth, state and territory) and international law instruments. There is no codification of the law governing contracts.
The Australian Consumer Law (ACL) – which is a schedule of the Competition and Consumer Act 2010 (Cth) (CCA) – applies to consumer goods and services contracts. This legislation covers purchases of goods or services worth less than AUD100,000, or when the goods or services are of a kind that is generally intended for personal, domestic or household use or consumption. There are also state and territory consumer laws.
The ACL additionally includes an unfair contract terms regime that applies to:
- Standard form contracts for a supply of goods or services or a sale or grant of an interest in land to an individual whose acquisition of the goods, services or interest is wholly or predominantly for personal, domestic or household use or consumption; and
- As of November 10, 2023, small business contracts are those contracts where at least 1 of the parties is a small business (ie, a business that employs fewer than 100 people) and/or has an annual turnover during the previous financial year of less than AUD10 million (with turnover calculated in accordance with specific provisions). Under the ACL, the unfair contract terms regime will apply to a small business contract if the upfront price payable (excluding interest) for the contract is AUD5 million or less.
Commercial contracts with Commonwealth and state government agencies may be subject to certain regulations.