The Prime Minister promised in the 2015 election that parliamentary secretaries weren't going to be part of committees. Now that the Standing Orders have been changed to allow them to be members of committee, are they allowed to participate in the questioning of witnesses during studies, and will their participation have to come after the permanent members of the committee are allowed to ask questions, or can they intercede at any point in time?
On October 2nd, 2017. See this statement in context.