 In this role, Senator Carignan supports the Leader of the Government in managing the government's priorities in the Upper House.He also plays a key role in ensuring that parliamentary rules are followed during Senate debates, as well as assisting his Senate colleagues with any questions on parliamentary issues.In September 2013, after two years to serve as deputy Leader of the Government, Carignan was named Government Leader in the Senate on August 30, 2013 upon the resignation of his predecessor, Marjory LeBreton.