The major laws that regulate your employment are the Commonwealth Government's Fairwork Act and assocated regulations. http://www.fairwork.gov.au/Pages/default.aspxThere are also state based industrial  laws that govern public sector workers in most states. Workplace health and safety and workers compensation are covered in different legislation See http://www.safeworkaustralia.gov.au/Pages/default.aspx  and state workers copnesation and Workcover Auhtorities. For NSw see www.workcover.nsw.gov.au

In NSW there is an annual leave act and a long service leave act covering your holidays