There are four people referencing 6 sources saying it's 300, it's an honour you chose me to search the regs for you.
EASA AirOPS
-ANNEX V Specific Approvals [Part-SPA]
--SUBPART E Low Visibility Operations (LVO)
---SPA.LVO.100 Low visibility operations (c) Standard Category II /CAT II/ Operation
is further explained in AMC4 SPA.LVO.100 Low visibility operations
CAT II AND OTS CAT II OPERATIONS
(a) For CAT II and other than Standard Category II (OTS CAT II) operations the following provisions should apply:
-(4) The lowest RVR minima to be used are specified:
--(i) for CAT II operations in Table 3
Let's have a look:
I find it observation worthy you quoted AMC5 about CAT III yet managed to miss the table above located on the same page.
