Good SOP version control means one source of truth, controlled versions, visible change history, defined review dates, and a clear archive path for retired procedures.
The Minimum Standard
- Unique document ID
- Version number
- Named owner and approver
- Effective date and last reviewed date
- Short change log
- Archive of superseded versions
Review Frequency
- Annual minimum: stable, low-change work
- Quarterly: high-change systems or higher-risk procedures
- Immediate off-cycle: after incidents, audit findings, or system changes
Preventing Stale Copies
- Train teams against the controlled source, not emailed attachments
- Mark exported PDFs as uncontrolled copy
- Archive old SOPs with clear superseded-by references
Archive, Do Not Delete
Auditors request historical evidence. Incident investigations trace back to which version was active when a failure occurred. Regulatory retention may mandate keeping records after retirement.
Originally published at claudiasop.com
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