Might be to comply with AMC1 SPA.LVO.120:
Before commencing CAT II operations, the following additional provisions should be applicable to pilots-in-command/commanders, or pilots to whom conduct of the flight may be delegated, who are new to the aircraft type or class:
(i) 50 hours or 20 sectors on the type, including LIFUS; and
(ii) 100 m should be added to the applicable CAT II RVR minima when the operation requires a CAT II manual landing or use of HUDLS to touchdown until:
(A) a total of 100 hours or 40 sectors, including LIFUS, has been achieved on the type; or
(B) a total of 50 hours or 20 sectors, including LIFUS, has been achieved on the type where the flight crew member has been previously qualified for CAT II manual landing operations with an EU operator;