Many of the lawful bases for processing depend on the processing being necessary This does not mean that processing has to be absolutely essential. Processing must be a targeted and proportionate way of achieving a specific purpose. The first principle requires that you process all personal data lawfully, fairly and in a transparent manner. If no lawful basis applies to your processing, your processing will be unlawful and in breach of the first principle. We have produced the lawful basis interactive guidance tool, to give more tailored guidance on which lawful basis is likely to be most appropriate.”]