(a) a certificate of test has been obtained from the manufacturer of the rope with respect to the breaking strength of the rope as determined in accordance with clause 12.1 or 12.2 of CSA standard CAN/CSA-G4-92, “Steel Wire Rope for General Purpose and for Mine Hoisting and Mine Haulage”, or

(b) a 2.5 m representative sample of the rope has been tested by the Ontario Ministry of Labour Rope Testing Laboratory for its breaking strength by a destructive test and a certificate of test with respect to the breaking strength of the sample has been obtained from the laboratory.