AS/NZS ISO 45001, and the superseded standard it replaced

A different kind of standard entirely

Every other standard in this reference sets specific technical requirements — how a platform is built, how a liquid is stored, how a crane is rated. AS/NZS ISO 45001, and the AS/NZS 4801 it replaced, do something different: they specify what a formal occupational health and safety management system — the organisational structures, planning and review processes a business uses to manage WHS — should contain. It is a standard about how a business manages safety, not about any one piece of plant or process.

One current, one superseded

AS/NZS ISO 45001:2018, "Occupational health and safety management systems — Requirements with guidance for use", is current, and is the direct replacement for AS/NZS 4801:2001, adopted as a joint Australia/New Zealand standard following the international ISO 45001 publication.

AS/NZS 4801:2001, "Occupational health and safety management systems — Specification with guidance for use", is now status "superseded" — "available superseded", in Standards Australia’s own terminology, meaning it is kept purchasable only because some existing contracts, legislation or certification obligations still reference it by name.

What supersession actually does to a document

This is worth spelling out, because "superseded" does not mean "withdrawn" — you can still buy AS/NZS 4801, and some organisations are still contractually bound to hold certification against it. What it does mean is that Standards Australia no longer treats it as the current expression of best practice, and the certification body JASANZ stopped recognising new AS/NZS 4801 certifications from 13 July 2023 onward for organisations without a continuing contractual obligation to hold one.

The useful, practical angle: a tender document or contract clause that still specifies "certified to AS/NZS 4801" is, functionally, asking a supplier for a superseded standard, whether the person who wrote it realised that or not. How a standard’s status can change even when the underlying subject has not is worth reading here — the subject matter, managing safety systematically, has not changed. The document that currently represents best practice on it has.

The regulator citation, and what this is not

We have not confirmed a WHS regulator citing either standard by name in this round of research. That does not make the distinction between current and superseded any less real — it is a fact about the publisher’s own catalogue status, independent of whether a regulator has separately weighed in.

It is also worth being clear about what this page is not: a management-system standard is not the same document as a Code of Practice, which works on a different logic again, and holding a management-system certification does not, by itself, discharge the underlying WHS duty a management system exists to help discharge. The system has to actually work, not just exist on paper.

Where this sits next to two other unusual cases

This is the second standard in this reference to reach its authority through something other than a straightforward WHS Code of Practice citation — a technical standard adopted into law by a completely different route is the first, working through electrical safety legislation rather than WHS guidance at all. And it is a genuinely different kind of document from the strongest regulator citation found anywhere in this set, which covers one category of equipment rather than a whole management system.

Common questions

Is AS/NZS 4801 still current?

No. It is formally superseded, kept purchasable by Standards Australia only because some existing contracts or legislation still name it. AS/NZS ISO 45001:2018 is the current replacement.

Can a business still be certified to AS/NZS 4801?

JASANZ, the relevant certification body, stopped recognising new AS/NZS 4801 certifications from 13 July 2023 for organisations without a continuing contractual obligation to hold one. Existing certifications tied to legacy contracts are a separate case.

What is the actual difference between the two standards?

We have not reproduced either document’s content, and would not even if we could confirm it easily — both set out what a formal safety management system should contain, and AS/NZS ISO 45001 is the internationally aligned successor to AS/NZS 4801.

Does a regulator cite AS/NZS ISO 45001?

We have not confirmed one in this round of research. The current-versus-superseded distinction between the two standards stands on the publisher’s own catalogue status, independent of that.

Read next

• how a standard becomes law
• AS/NZS 3000:2018
• a standard barely a year old at the time of writing
• AS 1418.5 and AS 2550.1
• the risk management steps
• AS 1657:2018