A.B.N very easy to get. i think u can even do it online. i needed one to drive a mr.whippy van (ice cream). was working as a contractor but. dont know about revenue cutoff but. jus give it a go nothin to lose. i tried to import some stuff from china ( pro taper bars, oil catch cans, carbon exhausts etc.. but everyone i spoke to talked me out of it. the stock is dirt cheap although it is all copied. e.g pro-taper bars for $14 U.S., carbom exhaust $38 U.s prob was u have to by certain number of stock. i.e 25 bars, 15 ehausts etc... good luck. p.m certifiedriders he owns a pitty and mountainbike shop in cairns. he may help u. also try tradekey.com for contacts in china