We regularly raise with the ambassador to China issues as they arise. We remind the ambassador that Chinese government representatives, like all foreign government representatives, have a duty under international law to respect our laws and regulations and that any kind of activities that do not do that are unacceptable.
Evidence of meeting #28 for Canada-China Relations in the 43rd Parliament, 2nd Session. (The original version is on Parliament’s site, as are the minutes.) The winning word was respect.
A video is available from Parliament.