Stopping, parking & queues

About The parking-ban zone, the parking disc and the parking garage: which statement is WRONG?

On a woonerf you may park anywhere, as long as you do not obstruct anyone.
The parking disc is rounded UP to the next whole or half hour, not down.
A parking-ban zone applies to both sides of the road, even if the entry sign stands on only one side.
The parking-disc duty applies to motor vehicles with MORE than two wheels.

Explanation

trap: assumed woonerf parking freedom. VekaBest p.165 - on a woonerf parking is only allowed on your own property or on a marked parking space (P-bay), not anywhere it happens not to obstruct

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