| Version | Date | Author | Changes |
|---|---|---|---|
| 1.0 | 01/04/2025 | Sean Ashton | Initial issue (S.O.P 5.3) |
| 2.0 | 17/02/2026 | Sean Ashton | Consolidated to flowchart procedure format — staff model, manuals as core reference |
ISO 9001:2015 Clause 8.4 • ISO 14001 Cl. 8.1 • ISO 45001 Cl. 8.1.4 — Control of external providers
HREG10.