The Canadian Intellectual Property Office (CIPO) has revised the Manual of Patent Office Practice (MOPOP) to remove all references to "representative". This change reflects a recent change in the Patent Act, to remove the requirement that non-Canadian applicants appoint a representative in Canada. The full details are available here: http://www.ic.gc.ca/eic/site/cipointernet-internetopic.nsf/eng/wr04248.html