Balance of Family Test: At least half of the applicant's children must be living in Australia as Australian citizens, permanent residents, or eligible New Zealand citizens, or more children live in Australia than in any other single country.

Sponsorship: A child who is an Australian citizen, permanent resident, or eligible New Zealand citizen must sponsor the parent.

Health and Character Requirements: All applicants must meet health and character requirements, including undergoing a medical examination and providing police clearance certificates.

Assurance of Support: A sponsor is required to provide an Assurance of Support. This is a legal commitment to provide financial support for the applicant so that they do not become a burden on the Australian social security system.

Temporary Stay: The Subclass 884 visa is a temporary visa, allowing the aged parent to live in Australia temporarily. After a certain period, the applicant can apply for the corresponding permanent visa (Subclass 864) if they meet the eligibility criteria.

You'll also need to be sponsored by an eligible sponsor who is usually your child in Australia. The overall sponsor must agree to provide support, accommodation, and financial assistance for the first two years after you arrive in Australia.

Make sure to collect all necessary documents including identity documents, proof of relationship with your sponsor, health assessments, character documents, etc.

You can even apply for the Temporary Contributory Aged Parent Visa (Subclass 864) either online through the Australian immigration website or by post. You can even follow the instructions carefully and ensure all required information and documents are provided.

Pay the visa application fee. The total cost can vary, so you can even check the current fee on the Department of Home Affairs website. Additionally, there is a significantly higher fee associated with contributory parent visas compared to non-contributory parent visas.

After submitting your application, you'll need to wait for it to be processed. The overall processing times can vary depending on various factors such as the number of applications received and individual circumstances.

You and all family members included in your application will need to undergo health examinations to ensure you meet Australia's health requirements. You'll also need to provide police clearance certificates from all countries you've lived in for 12 months or more in the last 10 years.