Section 501 Cancellation; No consideration of non-refoulment obligations = Invalid decision

A recent decision of the Federal Court constituted by His Honour Rares J has found that when the Minister purports to exercise powers under section 501 and fails to give consideration to the non-refoulment obligations that purported decision is invalid.
http://www.austlii.edu.au/cgi-bin/viewdoc/au/cases/cth/FCA/2019/2189.html
...