If you're talking about C-10 introduced by the Libs in 2002 and which made it to Parliament as Bill C-33 in November 2006. 

It died when Harper prorogued parliament. Flaherty reintroduced the bill in in Oct. 2007, as Bill C-10. It passed the House and was in the Senate but died when Harper dissolved Parliament for yet another election. 

https://beta.theglobeandmail.com/news/politics/budget/closing-the-legislative-gap-on-taxation/article625146/?ref=http://www.theglobeandmail.com&