Does a mobile sign held by a member of the road-safety patrols (Zahav) require the driver on the road to obey?

1. ANo, because its dimensions are smaller than the dimensions of the ordinary signs.
2. BNo, the sign is not binding. It is only a recommendation.
3. CNo, because it was not approved by the Licensing Authority.
4. DYes, this is a lawful sign and the driver must obey it.

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