Copy-and-paste:
9. High Stage Valves: C 2 1
(M)(O) One may be inoperative locked closed provided a minimum of 60% N1 is maintained on the associated engine during flight in icing conditions.
NOTE 1: Both high stage valves required to be operational for CAT3 operation (Ref: Boeing SR 1-292534973)
Nice he, all these different MELs for the same hardware?