 On 21 July 2010, United States Congress passed the Dodd–Frank Wall Street Reform and Consumer Protection Act with changes to the definition of agricultural commodity.The operational definition used by Dodd-Frank includes "[a]ll other commodities that are, or once were, or are derived from, living organisms, including plant, animal and aquatic life, which are generally fungible, within their respective classes, and are used primarily for human food, shelter, animal feed, or natural fiber".Three other categories were explained and listed.