The rules quite clearly state that the minimum RVR is touchdown required as per the chart, and if reported and relevant 125/75. So as I read it, legally any operator could have that in their OMA regardless of their TO minimum approval because it complys with CAT.OP.MPA.305.
The reason I ask is the LTC on a line check wasn't sure as he was under the impression the RVR required for mid point and stop end was that required for TO. In this particular circumstance it was 450m. Reported was 550/400/350 hence the confusion whether it was a legal approach.