http://www.austlii.edu.au/au/legis/tas/num_act/
The usefulness of this site should be self-evident!
Try out this link to see an example of what you can find ..... http://www.austlii.edu.au/au/legis/tas/ ... s8gin3941/
....and if you are after all the Post Office Amendment Acts, try here http://www.austlii.edu.au/cgi-bin/sinos ... %2Fnum_act