This is a temporary visa for parents which does not extend or lead to a Permanent Residence Visa. Once a Subclass 870 visa is granted and while it is being held, the parent cannot apply for any other subclass of parent visa.
With this visa you can:
You cannot work in Australia
You can apply to stay for a cumulative maximum 10-year period. You must be outside Australia for at least 90 days before being eligible to be granted another Sponsored Parent (Temporary) visa unless you have a Permission to Apply in Australia.
If you have held Sponsored Parent (Temporary) visas for the cumulative maximum 10- year period, you must either depart Australia or apply for another visa that will allow you to remain in Australia. You will not be eligible for grant of a further Sponsored Parent (Temporary) visa.
You must have an approved Parent Sponsor to apply for this visa.
You must be outside Australia when you apply for the visa unless you have Permission to Apply in Australia, which must be requested by your sponsor
Permission to apply
Permission to Apply in Australia allows you to apply for this visa in Australia. It must be requested in Australia by your sponsor in their sponsorship application form.
If you have Permission to Apply in Australia, you must lodge your visa application within 60 days of sponsorship approval. If you do not apply within 60 days, you will have to lodge your visa application outside Australia within 6 months of sponsorship approval or make an application for a different visa to remain in Australia.
You can travel to and from Australia as many times as you want while the visa is valid.