ISO 9001:2026 and ISO 14001:2026: The 12-Month Transition Calendar

The dates that matter

Inspection bodies have a similar clock. ISO/IEC 17020:2026 was published on 27 March 2026, and accreditations to the 2012 edition are not recognised after 27 March 2029. If your organisation is an inspection body, plan with your accreditation body rather than your certification body.

Why not wait until 2028

A deadline three years away invites delay, and delay is expensive for three reasons. First, certification bodies may find their audit calendars busy as the end date approaches, which would leave late movers with less choice of dates. Second, your surveillance or recertification audit may fall in the transition period, and combining the two is usually easier than doing them separately. Third, some customers and tender documents may ask for the new edition before the formal cut-off, and you want to be able to say yes.

Moving early also gives you time to find problems. A transition is a chance to look again at risks, objectives and processes, and any weakness you find is cheaper to fix with a year in hand than with six weeks.

The 12-month calendar

Each phase below ends with something you can show: a decision, a list, a revised document set or a record. If a phase has no visible output at the end of its month, the project is running behind and should be raised with top management.

The plan assumes you start in November 2026. If you start later, compress the middle months rather than the first and last, because those protect the quality of the plan and the audit.

Months 1 and 2 (November and December 2026): Understand and decide

• Obtain the published text of the new edition and assign a project owner.
• Ask your certification body for its transition policy in writing: audit dates, audit time and what evidence it expects.
• Brief top management. Their role in the system is part of what an auditor will examine.

Months 3 and 4 (January and February 2027): Gap assessment

• Compare your current system with the new edition, requirement by requirement.
• List the gaps, rank them by effort and risk, and set owners and dates.
• Decide whether an integrated approach, covering quality and environment together, would save duplicated effort.

Months 5 to 7 (March to May 2027): Update the system

• Revise policies, objectives, procedures and records to close the gaps.
• Update risk and opportunity registers, process descriptions and supplier controls where the gap assessment found weaknesses.
• Avoid adding new paperwork for its own sake. Change only what the new edition or your own improvement needs.

Month 8 (June 2027): Train and communicate

• Brief all staff on what has changed and why.
• Train internal auditors on the new edition so they can audit the revised system.
• Complimentary awareness e-learning is available to Sterling clients on Sterling Academy.

Month 9 (July 2027): Run the revised system

• Operate the updated processes long enough to generate records.
• Collect measurements against the revised objectives.

Month 10 (August 2027): Internal audit against the new edition

• Audit the whole revised system, including processes that were untouched, because a change in one place often affects another.
• Raise corrective actions and track them to closure.

Month 11 (September 2027): Management review

• Top management reviews the results of the internal audit, the changes made and the resources needed.
• Record decisions and confirm readiness for the transition audit.

Month 12 (October 2027): Transition audit and decision

• Undergo the transition audit with your certification body, ideally combined with a scheduled surveillance or recertification visit if it permits.
• Correct any nonconformities within the period the certification body sets.
• Receive the updated certificate once the certification body decides in your favour.

The same plan in one view, for sharing with your leadership team:

Questions to put to your certification body, and what to read

• 1. From what date will you audit to the 2026 edition, and for which audits?
• 2. Can the transition audit be combined with my surveillance or recertification audit?
• 3. How much additional audit time will you allow for the transition?
• 4. What happens to my certificate if a transition audit finds a major nonconformity?
• 5. What is the last date you will accept for completing the transition?

Record the answers. Where the certification body's policy is still being finalised, check its current circular before you fix dates in your plan.

Who needs to be involved

A transition touches more of the organisation than most people expect, because both editions work through leadership, planning and operations rather than through a single department.

• Top management approves the plan, the resources and the updated policy.
• The management representative or system owner runs the project and reports progress monthly.
• Process owners revise their own procedures and records, since they know how the work is really done.
• Internal auditors need training on the new edition before month 10.
• Purchasing and operations review supplier and outsourcing controls, which often sit outside the quality or environment team.

Mistakes that make a transition harder

• Waiting for a perfect summary of changes instead of reading the published text.
• Rewriting the whole documented system when only some parts need to change.
• Leaving internal auditors on the old edition, so the audit finds nothing new.
• Booking the transition audit before the internal audit and management review are complete.
• Forgetting that a combined ISO 9001 and ISO 14001 system is audited as one, so a gap in one standard can affect the other.

If you also hold an ISO/IEC 27001 certificate, note that ISO/IEC 27001:2022 remains the current edition, so this calendar does not apply to it. Keep your information security work on its own cycle, and align the dates of your audits only where your certification body allows.

On the content of the new editions: this article deliberately does not summarise clause-by-clause changes. Read the published standard, or ask a Sterling consultant to walk through the differences against your own system. A gap assessment is more useful than a general list, because the changes that matter depend on how your organisation already works. Whoever carries out that comparison should work from the standard itself, not from a second-hand summary, so that no requirement is missed or overstated.

How Sterling supports a transition

Sterling has prepared organisations for ISO certification for over 20 years, through 8,100+ client engagements in 60+ countries. For a transition we run the gap assessment, help revise the system, train your internal auditors and review your readiness before the transition audit. Your five-user Effivity subscription holds the actions, records and evidence in one place. The audit itself, and the updated certificate, come from your accredited certification body.

Read the guide for your country

Certification bodies, accreditation arrangements and customer expectations differ between markets. These local guides add the country detail to this calendar.

• India: the ISO 9001 and ISO 14001 transition calendar
• Philippines: ISO 9001:2026 transition
• UAE: the transition calendar for ISO 9001 and ISO 14001

Frequently asked questions

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