that's for the airbus:
AUTOMATIC LANDING WITH OUT-OF-DATE ADIRS MAG VAR TABLE
Some Airbus SA and LR aircraft continue to fly a number of years with ADIRS part numbers fitted with out-of-date magnetic variation tables. If the ADIRS magnetic variation differs by more than 2 ° or 3 ° (depending of aircraft type) compared to the airport current magnetic variation, the lateral performance of the automatic landing and rollout is significantly affected, which prevents from using the automatic landing system on these airports. Airbus publishes in the FCOM for each year, the list of airports where automatic landing is no more authorized with these ADIRS part numbers.
Seen that numerous times with 1 degree difference between the chart and the box and performed on those RWY's autolands without problems.
