Here's a few websites that may be of interest or help you in some of your other business needs.

Australian Business Register (ABR) - check an ABN - www.abr.gov.au

ATO - Business Tax Information - 13 28 66 - www.ato.gov.au

Business Information - Find information about planning, starting and running your business - www.business.gov.au

MYOB - www.myob.com.au
Support (with Cover) - 1300 555 123
Support (without Cover) - 1300 555 128
Support Notes - www.myob.com.au/supportnotes

Superannuation - www.industrysuper.com

Workcover - www.workcover.com.au

Payroll Tax - www.revenuesa.sa.gov.au