A-SPEC
The full A-SPEC suite has landed on Version 5. To keep everything consistent, every document's version and release date is now tied to the A-SPEC version number — so wherever you see “A-SPEC Version 5,” you'll know exactly which release date and document set that refers to.
Start with the A-SPEC Introduction & Overview Requirements document — it covers the shared rules that apply across every data specification. Always read your specification alongside it.

REQUIRED FROM 4 SEPTEMBER 2023 - RELEASE V5 (SHARED ACROSS ALL SPECIFICATIONS)
| Document | Version | Format | Status |
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| A-SPEC introduction and overview | V5 | Current | |
| A-SPEC Certification Form (readme file) - 20241101 | - | ZIP (CSV) | Current |
| A-SPEC member organisations and their specification requirements - 20260629 | - | ZIP (XLSX) | Current |
| Asset and Asset Handover Checklist blank form - 20260514 | V5 | ZIP (DOCX) | Current |
THE FOLLOWING TABLE REPRESENTS THE CURRENT VERSIONS OF A-SPEC V5
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Valid from 4 September 2023 |
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A-SPEC Version 5 |
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