I am sponsored by SA but will be living my initial 2 months in VIC. I will not be working in VIC though during this period. Is this fine with SA? when exactly does the 2-year commitment starts - right from initial entry or the first job?

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176 VISA; ACS - 4/10/11 IELTS band 7 - 19/10/11 | SA SS approved - 20/12/11 |176 online - 11/01/12 | Visa Grant- 14/3/12 | Landed in Aus - 22/6/12