Map records to legal obligations
Start by classifying records into legal categories: contracts, invoices, HR files, compliance logs, and technical evidence. For each category, document the mandatory retention period and jurisdiction. This avoids the common mistake of applying one generic retention period to all documents.
Timestamp at lifecycle milestones
Apply qualified timestamps at key events: creation, approval, signature, amendment, and archival. This creates an immutable timeline proving not only what the final document is, but also when each legally relevant step occurred.
Define verification and audit procedures
Retention is not enough: your team must be able to verify evidence quickly. Define who can run timestamp verification, where tokens are stored, and how reports are exported for internal audit or external regulators.
Automate deletion with evidence preservation
When retention expires, automate deletion while preserving minimal proof artifacts: hash, timestamp token, retention rule, and deletion log. This demonstrates both compliance with minimisation obligations and integrity of the historical evidence chain.