That is sourced from the treaties and reports of treaty monetary bodies, which are accessible through the website of the Office of the UN High Commissioner for Human Rights. That's footnote 6 in our brief.
As you clearly know, since you've read the brief—thank you for that—we identify some specific regressive measures. In response to your first question, one of the things you can do is repeal those regressive measures. In particular, take pay equity for public servants out of the realm of human rights.