No. They r wholly paid by their contract company and pay tax in their country of origin. Las for Jq claims-I know factually that they do position foreign crew in oz for up to 5 days at a time to operate wholly domestic legs. Ie darwin-mel-Darwin. They also use the same crews ex Perth for days at a time. These Perth legs are international flts but the crew flt per-sin per or per-cgk-per for 5 days