Excuse me, I have a distant relative (menstruating for three generations) who is a permanent resident of Australia.

You saw it in official website. Of course it's true.

The object of visiting relatives must be immediate family members within 3 generations, such as spouse, parents, grandparents, brothers and sisters, children, etc.

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However, I just glanced at official website and didn't see your straight line.

In this case, you can press the "visa for visiting relatives", which reads as follows:

Australian citizens and permanent residents who have settled in Australia can sponsor their relatives to visit Australia for a short time. According to the immigration law, relatives refer to: partners, parents, children, brothers, sisters, grandparents, grandchildren, aunts, uncles, nieces, nephews, corresponding "steprelatives" and adopted relatives.

Let menstruation submit an application to the Australian Immigration Department. After approval, your mother will be notified and then submit her passport in China.

Generally 3 months, at most 12 months. I guess that means I have to come back and reapply in a year.