Details of the settlement between Mr Barber and the staffer in his office,who said she had been subjected to sex discrimination,bullying and victimisation while working there,were circulated to Greens MPs on September 6,2017 by the husband of the alleged victim.
After he received no response to his approach,the man emailed a wider group of 22 senior party officials with details of case on the morning of Tuesday,September 26.
By Thursday lunchtime,Mr Barber,who had already announced that he did not intend to recontest his seat,had quit politics.
But Ms Ratnam,who replaced Mr Barber in his Parliamentary seat,says that she did not know of the matter until after she replaced Mr Barber in the State Parliament and as party leader,sworn-in as an MP on October 19.