Most Australian agencies which send people overseas to volunteer require applicants to have a high level of experience in their field both for short and long-term placements. Generally you should also have a minimum of two years experience in your field of work. You may be required to supply copies of your qualifications when you apply.
Some organisations require a financial contribution to help with costs such as airfares and accommodation.
As a rule, if you wish to volunteer, overseas organisations require that you are an Australian citizen or hold permanent residency status in Australia.
Organisations are not legally required to reimburse volunteers for out of pocket expenses such as travel. While some organisations have a policy that provides this type of reimbursement, others are not in a financial position to do so. Please check with individual organisations.