I do prefer using the rivet link included with premium drive chains, although our local dealer does accept a clip link to pass safety inspection.
According to Ontario's Highway Traffic Act, R.R.O. 1990, REGULATION 611, SAFETY INSPECTIONS.
Consolidation Period: From July 1, 2011 to the e-Laws currency date (June 29, 2012).
SCHEDULE 6: INSPECTION REQUIREMENTS AND PERFORMANCE STANDARDS FOR MOTORCYCLES EXCEPT MOTORCYCLES WITH TWO FRONT WHEELS.
(7) No guard, where originally fitted, that protects against contact with the chain, belt or other moving drive component shall be missing or insecurely mounted.
(8) The chain, belt or driven sprocket shall not be excessively worn, frayed or loose and no fasteners in connection with those parts shall be missing, loose, cut or damaged.