BOAC:
A sensible jump, however, but the question you need to ask is from where do they get the new minima to reflect the enlarged circle?
I suspect the answer would be, "From the FAA's TERPs manual." The "new" CTL criteria were published with Change 21 a few years ago then placed on hold. The handbook is up to Change 24 now, so someone reading without knowledge of all the circumstances could reasonably conclude that the "new" CTL criteria are in effect.