You are here Home Exporting precursor chemicals or substances from Australia You must notify us before you export some precursor substances from Australia. Listen Print Share LinkedIn (Twitter) Facebook Email Loading... You must notify the Office of Drug Control before you export some precursor chemicals or substances from Australia. This is called a pre-export notification (PEN). To find out if you need a licence and permit or PEN for the substance you want to import, check the list of controlled substances. You will also need a licence and permit to export. Read more about exporting controlled substances. Apply for a pre-export notification (PEN) for a precursor substance Topics Precursor substances Main navigation