Article 21Derogations from Article 20(b)
Verification of the authenticity of the unique identifier of a medicinal product is not required under Article 20(b) in any of the following situations:
(a)
that medicinal product changes ownership but remains in the physical possession of the same wholesaler;
(b)
that medicinal product is distributed within the territory of a Member State between two warehouses belonging to the same wholesaler or the same legal entity, and no sale takes place.