本帖最后由 nan1 于 2013-4-16 10:43 编辑 6 [+ W. u5 f I% N) d* p ' y1 t8 i; ^% C: J: D3 w; ]From Apr 8 2013, the certificates renewal policy of all compulsory trades in Ontario has changed. check link below. ; m3 q7 e- I$ l! ], Q, D2 R z% dhttp://www.collegeoftrades.ca/