The Australian Diver Accreditation Scheme (ADAS) is an international commercial and occupational diver certification scheme administered on a cost-recovery basis by the ADAS Board under the direction of the Australian Department of Resources, Energy and Tourism. It has mutual recognition arrangements with other equivalent national schemes. The original Australian and New Zealand (NZ) national occupational diver certification scheme was developed by the Australian government as a not-for-profit accreditation and certification scheme. Training is provided by Accredited Training Establishments (ATEs) which are required to operate at the level of international best practice as defined by ADAS. The scheme provides certification of divers and accreditation of training establishments, develops training courses to meet industry needs, and promotes the mobility of ADAS licence holders around the world. Australian commercial divers are trained in accordance with Australian Standard AS 2815.