These are some useful links that you may find helpful
Therapeutic Goods Administration https://www.tga.gov.au
E Business portal for the TGa, here you can search the TGA data base https://www.ebs.tga.gov.au
Medsafe New Zealand http://www.medsafe.govt.nz
National Industrial Chemicals Notification and Assessment Scheme https://www.nicnas.gov.au/
Australian Quarantine and Inspection Service www.daff.gov.au/aqis
https://www.accc.gov.au
https://www.ato.gov.au/