The Unity Agreement between the parties states the leadership election will be held on a One Member One Vote basis.

[4] The Royal Canadian Mounted Police and the Alberta Election Commissioner are investigating allegations that Jason Kenney and his team were involved in orchestrating Jeff Callaway's campaign for the leadership of the United Conservative Party in an attempt to harm Kenney's biggest rival, Brian Jean.

[5] A leaked document alleged that Jason Kenney's team first approached Derek Fildebrandt in July 2017 about running a "dark-horse" campaign but ultimately decided against working with him.

[6] An emergency injunction was sought to halt the probe into the financing of Callaway's UCP leadership campaign for the duration of the 2019 Alberta general election, but was denied by Court of Queen's Bench Justice Anne Kirker who ruled it was in the public interest for the investigation to continue.

He served as MP for Athabasca (2004–2006) and Fort McMurray—Athabasca (2006–2014), Parliamentary Secretary to the Minister of Transport, Infrastructure and Communities (2006–2011), and Leader of the Official Opposition in Alberta (2015–2017).