What about an N-reg landing in Germany (JAR-FCL plus probably local gold plating)? ...
In all these cases, the more stringent rules of either the state of the operator/license holder or the state of the aerodrome apply. As with every other rule in (international) aviation.
For EU-OPS compliant states, all the relevant numbers (including the single-pilot RVR of 800m or less with a "suitable coupled autopilot") can be found in Appendix 1 to EU-OPS 1.430.