WARN & NOTE messages from HBD S17

In accordance with IATA WSG art. 8.6.2. Airport Coordination Netherlands (ACNL) as per HBD S17 has started to send out WARN & NOTE messages.
With this type of messages ACNL informs airlines of series of slots with percentages approaching the 80% rate (WARN) compared to HBD, as well of the situation when a series of slots compared to HBD has dropped down the 80% rate (NOTE).