implies the right to deny such authorisation.
And they can and will do their utmost to stop you flying if they don't like what their database tells them about you when they input the data from your GAR.
Hence my point about implicit authorisation.
Yes, for your average Joe Bloggs, it all seems like pointless paperwork.
But if they've been provided with intelligence to suggest otherwise, you'll end up with more than paperwork on your hands, I suspect......