Every time a review of an ISO standard gets close, I get the same questions: "when does it come out?", "how much time do I have?" and "what happens if I don't make it?" With the new edition of ISO 9001 on its way, it's worth separating what we already know from what's still a forecast. I'll explain it with judgement and without alarmism, because the transition of a quality management standard is planned well in advance and suffered when it's left to the last minute.
If you've already managed the transition of another standard, the pattern will sound familiar. In fact, this article follows the same model as the one I wrote about the transition of ISO 27001 to the 2022 version, a comparable case I lived through closely with several organisations and from which there are very useful lessons to draw.
What a transition period for an ISO standard is and who sets it
When ISO publishes a new edition of a certifiable standard like 9001, the previous version doesn't expire overnight. A transition period opens: a window of time during which the old and new editions coexist, and during which certified organisations must update their management system and pass an audit to migrate to the new certificate.
There's a nuance many people get wrong here. ISO publishes the standard, but the body that sets the deadline and the rules of the transition for accredited certifications is the IAF (International Accreditation Forum), the forum that coordinates accreditation bodies worldwide. It does so through mandatory documents, the IAF MDs (Mandatory Documents). These specify the start date, the end date and the conditions that certification bodies and certified companies must meet.
So if someone gives you an exact number of months before the IAF publishes its document, be sceptical: until then, everything is a forecast based on precedent. And precedents are a reasonable guide, but not a guarantee.
The expected deadline for ISO 9001:2026 (not yet official)
Let's get concrete, separating what's confirmed from what's expected. The new edition is at the FDIS stage (Final Draft International Standard), the last one before publication. Publication is expected for September 2026, although some sources say "autumn 2026". I write this as a forecast because, as long as the standard hasn't been published, the date can still move.
On the length of the transition, my recommendation is to work with a range of two to three years. The IAF's usual practice in recent cycles has been to grant three years. If the edition is published in September 2026 and that three-year period is confirmed, the end of the transition would fall around 2029. I stress: around. Don't treat that date as final, because the IAF's formal resolution setting it doesn't exist yet.
The best real precedent we have is close to home. The transition from ISO 9001:2008 to the 2015 version lasted three years and ended on 15 September 2018. It's the most reliable mirror for getting a sense of the order of magnitude, and that's why I use it as a reference whenever an organisation asks me how much time they'll have.
The IAF's mandatory document with the exact deadline is usually published before or shortly after the edition comes out. As soon as it exists, the sensible thing is to confirm the deadline with your certification body, which will translate it into your specific audit programme. Don't rely on the indicative figure from a blog (not even this one): the good data point is the IAF document applied to your case.
What happens if you don't transition in time
This is the part that really matters to understand. When the transition period ends, accredited certifications issued against the 2015 version stop being valid. It's a rule of the IAF framework, not a discretionary decision by your certification body. Whoever hasn't migrated loses the validity of their accredited certificate.
In practice, that means the day after the transition closes, your company would show up as not certified, with everything that carries: problems in tenders requiring ISO 9001, doubts from clients who ask for the certificate, and the need to go through the process again, which is longer and more expensive than an orderly transition. It's not a theoretical scare; I've seen it happen to organisations that pushed it to the limit and found no room left in their certification body's schedule right at the end, when everyone is requesting audits at once.
The lesson is simple: the transition isn't done in the last quarter. It's planned to fit naturally with an audit you already have scheduled.
What changes are expected in the new edition
Before the steps, it's worth knowing what you're facing. I present this as expected, because it comes from the drafts and may be adjusted in the final version. The changes being anticipated point to a moderate scope, not a revolution:
- More weight on quality culture and ethics within leadership.
- A clearer separation between risks and opportunities in section 6.1.
- Attention to emerging technologies and the role of data.
- Integration of the climate amendment in sections 4.1 and 4.2, which is already in force.
Important: the new edition is expected to keep the Harmonised Structure (Annex SL), which makes migration much easier if you already know the high-level structure and, above all, if you have systems integrated with other standards. If you want the detail section by section, I cover it in the article on what changes in the new ISO 9001.
The climate change amendment: get it sorted beforehand
There's a detail that shouldn't be confused with the transition. The climate change amendment (Amd 1:2024) has already been in force since February 2024 and has no transition period. It amends sections 4.1 and 4.2 so that organisations consider whether climate change is a relevant issue in their context.
My advice is to have this already sorted before getting into the transition to the new edition. If your system doesn't yet reflect that amendment, that's your immediate priority; migration to the 2026 version will come afterwards, and you'll be starting from a cleaner base.
Steps to transition, one by one
Once the edition is published and the IAF confirms the deadline, this is the path I recommend following. You don't need to do it all in a week; it's spread across the available months.
1. Gap analysis against the new edition
The first step is to compare your current system with the requirements of the new version and list the gaps. This gap analysis is the compass for everything else: it tells you what you need to touch and what you can leave as it is. Do it with the published standard in hand, not with draft assumptions.
2. Update the context, including the climate amendment
Review the analysis of the organisation's context and interested parties (sections 4.1 and 4.2), making sure it includes the climate issue and any novelty the new edition brings on data or emerging technologies.
3. Review risks and opportunities
If the clearer separation between risks and opportunities in 6.1 is confirmed, you'll need to adjust how you identify, assess and treat them separately. It's a good time to clean up a risk matrix that often stayed generic since the initial implementation.
4. Adjust leadership and culture
The reinforcement of quality culture and ethics falls on management. A document isn't enough here: you need to show genuine leadership commitment, internal communication and consistent behaviour. It's the "softest" part and, at the same time, the one auditors look at most.
5. Update the documentation
With the gap closed, update the documented information that requires it: policy, processes, records, indicators. Avoid the classic mistake of rewriting the whole manual; change only what the new edition requires and what you genuinely use.
6. Training
Train the people involved in the changes. I don't just mean the quality manager: managers and the people who run the processes need to understand what changes in their day-to-day work. Short, practical training is worth more than an encyclopaedic course nobody remembers.
7. Internal audit
Before the certification body's visit, run an internal audit against the new requirements. It's your dress rehearsal: you find non-conformities, correct them and reach the transition audit without surprises. Skipping this step is the shortcut that costs the most.
8. Transition audit with the certification body
Finally, your certification body carries out the transition audit and, if everything is compliant, issues the certificate updated to the new edition. Make sure it's an ENAC-accredited certification body or another recognised body, because only then does your certificate hold validity within the IAF framework.
How to plan it without stress
The trick to stop the transition becoming an extra project is to fit it into what you already have on the calendar. In a certification cycle you have annual surveillance audits and a renewal audit every three years. Use one of them to also carry out the transition: you save a visit, reduce cost and push your organisation to arrive prepared for a date that was already marked.
My practical recommendation: as soon as the IAF publishes the deadline, talk to your certification body to fix which audit in your programme you'll use for the transition, and work backwards from that date to spread out the previous steps. That way you don't gamble the certificate's validity at the end of the window.
| Moment | Recommended action | Status of the deadline |
|---|---|---|
| Now (2026) | Resolve the climate amendment (4.1/4.2) if not yet integrated | In force, no transition |
| Expected publication (Sept/autumn 2026) | Get the standard and confirm the IAF deadline with your certification body | Expected, not official |
| First months after publication | Gap analysis and transition plan | Per IAF document |
| Year 1-2 of the transition | Update context, risks, leadership, documentation and training | Within the window |
| Before the external audit | Internal audit against the new edition | Within the window |
| At a surveillance or renewal audit | Transition audit with the certification body | Before the end (around 2029, expected) |
Conclusion
The new edition of ISO 9001 arrives with a moderate scope, keeping the Harmonised Structure and strengthening culture, risks, data and the climate dimension. Publication is expected for September 2026 and the transition period will likely be around two to three years, with three as the IAF's usual practice and the 2008→2015 precedent as a reference. But until the IAF document comes out, the exact deadline isn't official: confirm it with your certification body.
If you act with time, this transition is perfectly manageable: sort out the climate amendment now, wait for the standard, do your gap analysis and fit the transition audit into a visit you already had scheduled. If you'd like me to support you through the whole process, from the gap analysis to the transition audit, take a look at my ISO consulting service.
Do you hold an ISO 9001:2015 certificate and have doubts about how to plan the migration? Get in touch and we'll go through it together, with a realistic calendar built around your audits.