The most structurally novel part of ISO 9001:2026 is not a clause at all. ISO 9001:2015 already had a short informative Annex A, explaining its new structure, terminology and concepts. The 2026 edition replaces it — and the old Annex B, which listed the other ISO/TC 176 standards — with one far more extensive annex titled "Clarification of structure, terminology and clauses": word-level clarifications, a note on applicability, and then a section for every clause from 4 to 10 explaining intent, each pointing to the ISO 10000-series guidance standard that goes deeper.
What it is, and what it is not
Annex A is informative, not normative. In plain terms: it is guidance, not requirements. A certification body cannot raise a nonconformity against Annex A, because it adds nothing you are obliged to do. Everything you must comply with still lives in the clauses themselves.
So why care about a section you cannot be marked against? Because of how it will be used.
Why it will shape your audits anyway
Annex A will not appear on a finding, but it will sit behind the auditor's questions. Certification-body training will lean on it heavily, so the language and framing of your audits will increasingly reflect it.
Two effects are worth anticipating. First, consistency: Annex A spells out how risk-based thinking and the new opportunity-based thinking are meant to be read — not with worked examples (there are none), but with plain clarifying prose that should reduce the long-standing variation between how different auditors interpret the same clause. That is good news — fewer surprises that hinge on which auditor you draw. Second, interpretation: the annex ties ethical behaviour to confidence in the organisation's ability to meet expectations and names ISO 10010 as the guide to quality culture, which becomes the anchor for how the new clause 5.1.1 expectation is judged.
What to do now
- Do nothing in a hurry — there is no requirement attached, so this is not a gap to close.
- Now that the standard is published, read Annex A first. It is the fastest way to understand how your certification body will approach audits under the new edition.
- Use it as a training reference for your internal auditors, so your internal audits speak the same language your external auditor will use.
- Treat its examples as a sanity check on your own interpretation of the trickier clauses — context, risk and opportunity, and culture.
In short: Annex A changes nothing you must do, but it will change how the standard is read. Knowing it well is a quiet advantage going into a transition audit. Annex A has now been checked against the published text; the six word pairs it clarifies are covered in Terms now in clause 3, and we use the same interpretation across the clause explorer and the ISO 9001:2026 hub. Put them to work on your system.
Checked against the published text of ISO 9001:2026 (SANS 9001:2026 Ed. 6, the identical South African adoption) on 27 September 2026. Corrected 23 September: an earlier version called Annex A ISO 9001's first guidance section — ISO 9001:2015 already had one. Corrected 27 September: an earlier version anticipated worked examples in Annex A; there are none, and Annex B is removed.