eCFR :: 30 CFR Part 56 Subpart M -- Machinery and Equipment
The manufacturer or engineer shall certify that the ROPS meets the applicable performance requirements. ( f) Exemptions. ( 1) This standard does not apply to—. ( i) Self-propelled mobile equipment manufactured prior to July 1, 1969; ( ii) Over-the-road type tractors that pull trailers or vans on highways;
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