The sign you referred to, "Note by verbal indication 1012-30," typically indicates that a driver must be aware of or pay attention to verbal instructions. This sign is used in areas where there may be additional instructions provided by personnel, such as traffic controllers or police officers. It suggests that the usual traffic regulations might be temporarily altered or supplemented by specific instructions that need to be followed for safety or logistical reasons.

In practice, when you see this sign, it is crucial to be attentive to any spoken instructions you might receive. This is particularly common in construction zones, event areas, or during traffic control situations. Always prioritize these verbal instructions over standard traffic signs in such instances for the safety and compliance with current traffic management.

If you have further questions or need clarification on any related traffic rules, feel free to ask!