The Korea Free Trade Agreement, announced late last year, includes investor rights to sue governments (or ISDS).
Submissions to the Joint Standing Committee on Treaties (JSCOT) Inquiry into the Korea FTA have now closed, but you can still send a submission to the Senate Inquiry .
The government does not have a majority on the Senate Inquiry. If there are many submissions to the Senate Inquiry, then there will be more ammunition for a full critical debate about the Korea FTA when the implementing legislation goes before the Senate.