From ABC blog
WA at the national cabinet
Hi Independent,
Scott Morrison was asked about this and says national cabinet is only for leaders, or heads of departments within jurisdictions, neither of which were available from WA.
Which is why WA Acting Premier Roger Cook gave his press conference during the meeting.
Short-term acting leaders are not able to attend. James Merlino, who acted in Daniel Andrews place in Victoria for several months last year when he was injured, was able to go as he was a longer-term replacement.
"One of the helpful things about national cabinet is people sit around the table and we have been through a lot together. We understand the history. We understand the decisions we have made before, the discussions we had," Mr Morrison said.