Canada's top electoral official, Stéphane Perrault, is scheduled to give evidence on Thursday morning at an investigation into claims of foreign intervention and the government's actions in response.
The hearings are examining potential foreign involvement in the last two general elections by China, India, Russia, and others. foreign interference by China, India, Russia and others in the last two general elections.
As head of Elections Canada, Perrault is responsible for ensuring Canadians can exercise their democratic rights to vote and be a candidate.
The inquiry, led by Quebec judge Marie-Josée Hogue, expects to hear evidence from more than 40 people, including Prime Minister Justin Trudeau, members of his cabinet and political party representatives.
An initial report of findings from the commission is due May 3.
The inquiry will then shift to broader policy issues, looking at the ability of the government to detect, deter and counter foreign interference, with a final report landing by the end of the year.