====>For attending conference, *. an application form for business trip, can be downloaded from the embassy website; *. the invitation; *. a bank statement (cost s$15 in DBS), transaction records; *. an official letter to certify your purpose in Austrilia; (maybe not necessary, but I was requested to produce such a letter from my department last year); *. S$70 maybe airticket and hotel booking record needed. The visa can only be granted one month before your trip, do not go there too early.