Before getting any further it is important to understand some of the main requirements.
Vocational Education and Training Assessment (VETASSESS)
TIt is very common for those who are living in Australia to want to bring their parent out. This page outlines the the options for your parents to obtain a permanent visa to Australia.
Primary requirements
Additional requirements
There are some additional requirements that may apply depending on the visa you’re applying for.
Applying for a visa in Australia from a tourist visa
Generally you can apply for both Parent (under 66 years old ) and Aged Parent Visa (over 66 years old) from inside or outside Australia. However, you are only granted a bridging visa if you have applied for an Aged Parent Visa (over 66 years old) contributory/non contributory from within Australia. If you apply for a Parent Visa (contributory or non contributory) from within Australia, you are not granted a bridging visa.
Application Provided that your parents come to Australia on a tourist visa, they may be able to apply for the contributory aged visa and aged parent visa from within Australia. If the applicant is under 66, they will apply for a parent visa, however on application of a parent visa, there is no bridging visa granted.