The Australia 400 Visa is a Temporary Work visa and is suitable for people who would like to travel to Australia for up to three months to either do:
You must be outside Australia when you apply for this visa and when the application is decided and must arrive within three months of the date the visa is granted.
The Australia 400 Business Visa allows you to stay in Australia for up to the three month validity of your visa and you can bring your family with you to Australia if they have been included in the visa application.
To be eligible for the Australia 400 Business Visa you are required to have specialised skills such as experience or knowledge that will assist Australian business, are required in Australia for exceptional circumstances of national importance (e.g. to assist following a natural disaster), or have been invited to participate in an event by an Australian organisation.