With reference to FARs then the same criteria applies:
For Category III landing minimums below RVR600 (175 meters) using fail-operational rollout control systems, the Touchdown Zone, Mid, and Rollout RVR reporting systems are normally required and are controlling for all operations. If one of these RVR reporting systems is temporarily inoperative, these operations may be initiated and continue using the two remaining RVR reporting systems. Both RVR reports are controlling.
This can be found in the FAA Advisory Circular AD120-28D Appendix 7. (Unlike JAA you can view this one for free
) Canada will have a similiar quote and it should be found in one of the ICAO Annexes (6 could be a good starting point)
No matter if you are American or European the bottom line is when it comes to safety there cannot be that much difference in operating procedures
In my opinion it is not that complicated it just takes up a lot of reading time
