It has been changed here is a link I found quoting the AIP circa 2002
AIP states (in ENR 1.5 para 7.3.1) that
On final approach the aircraft altimeter indication must be noted at the fix or facility. If the aircraft altimeter indicates a higher altitude than the check altitude, the difference between the two altitudes must be added to the approach minima. If the aircraft altimeter indicates a lower altitude than the check altitude, corrective action is not required.
So I guess you can't do that anymore! You learn something everyday!
