Under GDPR a data subject has the right to be forgotten. R4 argues that it can't delete due to back end info being affected. ICO says data should not be easily retrievable. How does your archiving function meet this requirement. All you have to do is search 'All Patients'?
Thank you for your question, there is a post that has been created to answer GDPR related questions at the link below. If you can't find the answer to your question please email email@example.com and our Data Protection Officer will respond to you directly.