Only for inbound flights.
A0917/18 NOTAMN
Q) EGTT/QFALT/IV/NBO/A /000/999/5152N00022W005
A) EGGW B) 1806010500 C) 1809010600
D) 0500-0600
E) ZERO INBOUND FLOW RATE APPLIED
When this restriction was announced in March there was another saying "No 'non-emergency' diverted flights will be accepted 0600-2159 1st June-30th September" (see link provided on post #898). That isn't currently shown by NOTAM so I wondered if that is actually being applied.