Stopping, parking & queues

In a street in Dronten there is a round blue sign on your side with a red border and two red bars that cross. You want to drop off a parcel there. What applies here?

You may not park here, but you may stop briefly to unload
You may not stop here, not even briefly to unload
You may stop briefly here to unload, as long as it is quick

Explanation

False — you mix up the two signs. One diagonal bar is no parking (brief loading and unloading allowed); the cross means no stopping, so unloading is not allowed either (Book p.160).

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