If you are in financial stress due to the bushfires, or if you are a volunteer, there are a number of support services available to assist you during this time. Free financial help is available through the National Debt Helpline on 1800 007 007. See Dealing with debt for more options.
You can also find information about emergency assistance on the Services Australia website Help in an emergency.
A legally binding promise whereby one party assumes responsibility for the debt, or performance obligations, of another party should that party default in some way, for example, where an entity guarantees payment of bank borrowings by a third party.