To apply for an Australia tourist visa (subclass 600), you'll need to provide several documents to support your application. Here's a list of the required documents:

Personal Documents

1. Passport: A valid passport with at least six months validity from the date of entry into Australia. Include copies of the biographical pages.
2. Passport-sized Photos: Recent passport-sized photos as per the Australian visa photo requirements.
3. Visa Application Form: Completed and signed Form 1419 (Application for a Visitor visa – Tourist stream).
4. National Identity Card: A copy of your national ID card, if applicable.
5. Proof of Name Change: If applicable, provide documents such as marriage certificates, divorce certificates, or legal name change certificates.

Financial Documents

1. Proof of Funds: Bank statements for the last 3-6 months showing sufficient funds to cover your stay in Australia.
2. Income Tax Returns: Recent income tax returns or tax certificates.
3. Employment Evidence: A letter from your employer stating your position, salary, length of employment, and approval for leave. If self-employed, provide business registration documents and financial statements.

Travel Documents

1. Itinerary: A detailed travel itinerary, including flight bookings, accommodation reservations, and planned activities.
2. Travel Insurance: Proof of travel insurance covering the entire duration of your stay in Australia.

Supporting Documents

1. Invitation Letter: If you are visiting family or friends, include an invitation letter from your host in Australia along with their proof of residence (e.g., utility bills, rental agreement).
2. Accommodation Details: Proof of accommodation such as hotel bookings or a letter from your host if staying with friends or family.
3. Proof of Ties to Home Country: Documents showing your intention to return to your home country, such as proof of employment, property ownership, or family ties.
4. Health and Character Documents: Depending on your nationality and length of stay, you might need to provide a health examination report and a police clearance certificate.

Additional Documents for Specific Cases

1. For Students: A letter from your educational institution confirming your enrollment and approved leave.
2. For Retired Individuals: Proof of retirement and pension statements.
3. For Business Owners: Business registration documents and financial statements.

Application Submission

1. Online Application: Most applications can be submitted online through the ImmiAccount portal on the Australian Government Department of Home Affairs website.
2. Visa Fee: Pay the visa application fee as specified on the official website.

Make sure all documents are clear, legible, and translated into English if they are in another language. It's important to check the latest requirements on the Australian Government Department of Home Affairs website, as these can change.