The Battery Passport.

If you read almost any compliance briefing this month, you will have seen the same line: 18 August 2026 was the day the EU Battery Regulation’s new labelling rules took effect. Manufacturers scrambled, consultants booked readiness assessments, and a good deal of label artwork was hastily redrawn.

The date is real. It is written into Article 13 of Regulation (EU) 2023/1542. But the picture is more nuanced than the headlines suggest, and for the requirement causing the most anxiety, the general Annex VI label and its harmonised format, the operative deadline may not be 18 August 2026 at all. It may fall well into 2027.

Here is what the regulation actually says, and it rewards reading closely.

The clause everyone skipped

The operative wording sits in Article 13, in the paragraphs setting out the general labelling requirements. Batteries must carry the Annex VI Part A information from 18 August 2026, or eighteen months after the implementing act defining the harmonised label formats enters into force, whichever is later. The power to make that implementing act sits separately at Article 13(10).

Whichever is later. That is the phrase doing the work. For 18 August 2026 to be the binding date, the harmonised-format implementing act would have needed to enter into force by 18 February 2025, eighteen months earlier.

It did not. The Commission was required to adopt that act by 18 August 2025 and missed its own deadline. A draft appeared toward the end of 2025, a consultation ran into early 2026, and as of the middle of August 2026 there is no confirmed publication of the final act in the Official Journal. Until it enters into force, the eighteen-month clock has not started, and the labelling requirements it governs, the information and its harmonised format alike, are not yet the operative obligation.

The consequence is straightforward, and few are stating it plainly: if the implementing act is published in, say, the middle of 2026, the harmonised label would not become mandatory until roughly the end of 2027. The date on everyone’s slides has moved, because the Commission’s own has.

What genuinely is in force

None of this means manufacturers can relax, and here the nuance cuts the other way. Two obligations are firmly live and untouched by the implementing-act delay.

The separate collection symbol, the crossed-out wheeled bin, has been mandatory on every battery since 18 August 2025. And the requirement with the hardest edge, the QR code under Article 13(6), lands on 18 February 2027 for every battery placed on the EU market, becoming the access point to the digital battery passport for electric-vehicle, light-transport and larger industrial batteries above 2 kWh.

What sits in between, the Annex VI Part A label itself, its information and its format, is the part subject to the “whichever is later” deferral. So the honest summary is this. The collection symbol is already required. The QR code and the passport behind it are the real cliff edge, six months out. And the general label that many treated as a hard 18 August obligation is the very thing whose deadline has most likely slipped past 2026.

Why this matters, beyond pedantry

There is a temptation to treat all of this as lawyers’ small print. It is not. The difference between “the harmonised label is mandatory now” and “the harmonised label is mandatory in late 2027” is the difference between redrawing every label twice, once to a guessed format now and again to the real specification later, and doing it once, correctly, when the specification is final.

Manufacturers who took the 18 August headline at face value may have committed to artwork against a specification that does not yet legally exist. Those who read the clause closely have more room, and can spend it on the part that genuinely cannot wait: assembling the underlying data, supplier declarations, bills of material, hazardous-substance content, that both the label and the 2027 passport will demand.

The lesson is an old one in compliance, and worth restating. A deadline in a regulation is not always the deadline. When a rule says “whichever is later”, the later date is the one that governs, and it pays to know which one that is before the print run.

What this does not establish

The status of the implementing act can change quickly, and the applicable date turns on it. The general position described here, that the harmonised label is deferred while the collection symbol and the 2027 QR code are not, follows from the text of the regulation as it stands. The precise dates depend on a publication that had not been confirmed at the time of writing.

The Ledger

Taken together, the picture is calmer than the headlines and more demanding than the relief that follows them. One requirement everyone rushed for has probably moved. Two that attract less noise, the collection symbol already in force and the QR code arriving in February, have not.

My reading is that the real work was never the label artwork. It is the data behind it, the same data the 2027 passport will demand, and that work is due regardless of which month the format is finalised. The manufacturers who come out of this well are the ones who spent August assembling that, rather than redrawing labels to a specification that has not been written.

The more useful question, then, is not whether you met the 18 August date, but whether the data behind your label is ready for the one that actually bites.