Current Australian legislation and guidance:
Australia-wide legislation: the Australasian Legal Information Institute or Lawlex are good. The Federal Register of Legislation site also has State and territorial legislation. Findlaw is a general resource on legal advice, finding lawyers, legislation and case reports.
Victorian laws led the way for much of Australia’s OH&S reforming legislation.This site has links to legislation, Codes and related material.
New South Wales: the NSW Law and Justice Foundation (has links to most other main databases, plus some judgements).
West Australian-based legislation and information (the site includes links to other jurisdictions)
Queensland: legislation, advisory Codes, etc
South Australian: OH&S laws
Northern Territory legislation
Commonwealth OH&S Legislation and guidance material.
State WorkCover or equivalent Authorities:
COMCARE (Commonwealth Government): www.comcare.gov.au
International Standards Organization (ISO): www.iso.ch