[citation needed] In 2006, Fast introduced Private Member's Bill C-277 which doubles from 5 to 10 years in prison the maximum sentence for luring a child over the internet for sexual purposes.

[4] In May 2009, Fast introduced a motion in the House of Commons to rename the Huntingdon border crossing to "Abbotsford-Huntingdon Port of Entry".

The official renaming took place on May 28, 2010, preserving the historical significance of the "Huntingdon" name while at the same time more accurately reflecting the location of the border crossing within the Fraser Valley.

[7] Fast oversaw the negotiations for the Comprehensive Economic and Trade Agreement (CETA) with the European Union,[8] which some saw as a giveaway to big pharma.

[9] As part of the newly-elected Liberal government in 2015, Fast's immediate successor Chrystia Freeland one year later finalized the negotiations which had been ongoing since 2009.

[10] Fast was also responsible for the Canada-China Promotion and Reciprocal Protection of Investments Agreement, which was signed in 2012 and came into force on 1 October 2014.

[15] The CBIE termed it an "ambitious strategy, with a goal to double the number of international students choosing to study here (in Canada) by 2022.

"[clarification needed][23] Following the Harper government's defeat in 2015, Fast served in the shadow cabinets of Rona Ambrose and Andrew Scheer as the critic to the Minister of Environment and Climate Change.

[25] He resigned as Shadow Finance Minister after criticizing Conservative leadership candidate Pierre Poilievre's plan to fire Bank of Canada director Tiff Macklem, if elected.