Australia Former Resident visa (Subclass 151)

8 requirements quoted from the official source.

• ✓Age RequirementTo meet the long residence requirement, you must be younger than 45 at the time of application. There is no age requirement for the defence services requirement.
• ✓Assurance Of SupportYou might be asked to provide an Assurance of support
• ✓Australian Government Debt ClearedIf you or any family members owe the Australian Government money you must have paid it back or have a formal arrangement to pay it back
• ✓Be Able To Meet The Defence Services Requirement If ApplicableYou must be able to show us that before 1981 you met one of these conditions: completed at least 3 months of continuous Australian defence service discharged from the Australian Defence Force before 3 months of service because you were medically unfit because of your Australian defence service.
• ✓Be Able To Meet The Long Residence Requirement If ApplicableYou must be able to show us that you meet all these criteria: if you are 18 years or older, spent at least 9 years in Australia as a Permanent resident before you turned 18 or if you are younger than 18, spent at least half of your life in Australia as a permanent resident younger than 45 years of age at the time you apply have never been an Australian citizen kept close business, cultural or pers
• ✓Character and securityYou and any family members aged 16 years or over must meet our character requirement . If you apply for this visa from outside Australia, family members who are not coming to Australia might also have to meet our character requirement.
• ✓Health RequirementYou and any family members who apply for the visa with you must meet our health requirement . If you apply for this visa from outside Australia, family members who are not coming to Australia might also have to meet our health requirement.
• ✓Not Have Had A Visa Cancelled Or A Previous Application RefusedWe will consider your immigration history when we make a decision on your application, which means you might not be eligible for this visa if you have had a visa cancelled or refused. In some circumstances you may still apply for a permanent visa if you have had a visa cancelled or an application refused, see Limitations on applications in Australia . If applying for a visa from outside Australia,

• ✓Eligibility summaryYou must be able to show us that you meet all these criteria: if you are 18 years or older, spent at least 9 years in Australia as a Permanent resident before you turned 18 or if you are younger than 18, spent at least half of your life in Australia as a permanent resident younger than 45 years of age at the time you apply have never been an Australian citizen kept close business, cultural or pers
• ✓Official Rights Textstay in Australia permanently work and study in Australia enrol in Australia's public health care scheme, Medicare .
• ✓Official source basisYou must be able to show us that you meet all these criteria: if you are 18 years or older, spent at least 9 years in Australia as a Permanent resident before you turned 18 or if you are younger than 18, spent at least half of your life in Australia as a permanent resident younger than 45 years of age at the time you apply have never been an Australian citizen kept close business, cultural or pers
• ✓Report summaryYou must be able to show us that you meet all these criteria: if you are 18 years or older, spent at least 9 years in Australia as a Permanent resident before you turned 18 or if you are younger than 18, spent at least half of your life in Australia as a permanent resident younger than 45 years of age at the time you apply have never been an Australian citizen kept close business, cultural or pers
• ✓Visa SubclassThe official page identifies this route as subclass 151.