Record Class,Purpose,Data Principal,System,Retention Trigger,Retention Period,Legal or Professional Requirement,Exception Approval,Erasure Method,Processor Erasure,Backup Treatment,Evidence,Owner,Review Date Example enquiry,Respond to enquiry,Prospective customer,Mailbox,Conversation closed,12 months,Confirm applicable requirements,Not applicable,Mailbox deletion,Confirm with provider,Expiry cycle,Deletion record,Compliance,