http://www.immi.gov.au/skilled/g ... ibility-english.htm
Note: From 1 July 2009, applicants who apply for subclass 475 and claim Concessional Competent English must have a score of an average of 6.0 across the four (4) components of an IELTS test. As a part of this increased language requirement, applicants who apply from 1 July 2009 and claim Concessional Competent English are not required to enrol in an English language course.
IELTS* Test Report Form showing you have an overall band score of at least six (6.0)
AND
A written employment offer of at least 6 months in a skilled occupation. The employment offer must be based in South Australia and be full-time (at least 35 hours per week)
Important: From July 1 2009 applicants are no longer required by DIAC to pay the Concessional English fee of AUD$2,500 to TAFE SA.