Before
The section 48 bar applies to applicants who are in Australia without a substantive visa and have had a visa refused or cancelled since their last entry into the country. Applicants who are barred by this section need to leave Australia before they can apply for a visa barring
From 13 Nov 2021
From 13 November 2021, a S48 Bar waiver is available for skilled visa applicants for subclasses: sc190, sc491 and sc494. This means that Section 48 bar applicants can apply for sc190, sc491 and sc494 visas Onshore from the above date. https://www.legislation.gov.au/Details/F2021L01483