What Happens If You Miss the June 30 Pillar Two GIR Deadline

The Transitional Relief: What HMRC Published on May 19, 2026

This is the part most groups do not fully understand, and where getting it wrong creates a false sense of security.

On May 19, 2026, HMRC published the Global Information Return (GIR) Filing and Exchange: Transitional Approach, confirming it will act in accordance with the OECD’s common understanding on GIR filing published on May 18, 2026. This transitional approach applies where the filing deadline for the GIR is no later than December 31, 2026.

If the GIR is centrally filed in one of the qualifying jurisdictions listed in the OECD annex and HMRC receives the relevant GIR information from the other authority within six months of the filing deadline, HMRC will not enforce the local filing of the GIR and will reduce certain penalties to nil. The group must also submit their ORN to HMRC on time to benefit from these arrangements.

This is conditional relief. It is not automatic. Three conditions must all be met:

Condition 1: The GIR must be centrally filed in a qualifying jurisdiction before the UK deadline.

Condition 2: The ORN must be submitted to HMRC on time.

Condition 3: HMRC must receive the GIR from the other jurisdiction within six months of the filing deadline.

If all three are met, HMRC reduces the local filing penalty to nil and does not enforce local GIR filing.

For groups managing Country-by-Country Reporting under BEPS Action 13 alongside their GloBE obligations, ensuring data consistency between the two is equally critical. A misalignment between CbCR and GloBE data removes the transitional safe harbour position entirely.

What Happens With an Invalid ORN

This is the highest-risk scenario currently facing groups filing for the first time.

According to GOV.UK’s transitional approach guidance, an ORN is only valid if, at the time it is submitted, the GIR has already been submitted to an overseas jurisdiction that has an agreement with HMRC to share the GIR information.

Filing an invalid ORN would usually lead to penalties. If an invalid ORN has been submitted, the obligation on the group to submit a GIR locally in the UK would not have been removed. Failure to submit a GIR on time could attract late filing penalties.

In plain terms: if you file an ORN naming a jurisdiction before the GIR has actually been filed there, the ORN is invalid. Your UK GIR obligation remains. And because the ORN was filed as if the obligation were met, you may not realise the local UK filing requirement is still outstanding until HMRC contacts you.

Should HMRC not receive the centrally filed GIR within six months of the filing deadline, HMRC may then contact the group to enforce the local filing requirement and notify it that it will begin to charge late filing penalties until the group’s obligations are met in the UK.

Transitional Relief: When Penalties Apply and When They Do Not

The Qualifying Jurisdictions

Not every jurisdiction qualifies for the transitional relief. The ORN route only reduces penalties to nil where the GIR is filed in a jurisdiction included in the OECD annex.

The jurisdictions confirmed as ready for central filing include Australia, Austria, Belgium, Canada, Czech Republic, Denmark, Finland, France, Germany, Ireland, Italy, Japan, Luxembourg, Netherlands, Norway, Portugal, Republic of Korea, Romania, Spain, Sweden, Switzerland, South Africa, Turkey and the United Kingdom. The full list is published on the GOV.UK transitional approach page.

If your group’s UPE is headquartered in the United States, China or another jurisdiction not on this list, the ORN route to penalty relief is not available. The group must file the GIR directly with HMRC.

This is one of the most common misunderstandings among UK subsidiaries of US and Asian-parented groups entering their first Pillar Two cycle.

What to Do Right Now

If you have not yet filed and June 30 is days away, here is the priority order:

Step 1: Confirm whether your group qualifies for the ORN route. Is the UPE jurisdiction on the qualifying list? Has the GIR already been filed there?

Step 2: If yes to both, submit the ORN to HMRC immediately via your Pillar Two dashboard on the Government Gateway before the deadline.

Step 3: If the ORN route is not available, file the GIR directly with HMRC using HMRC-compatible Pillar Two software. DataTracks is one of the recognised providers listed on GOV.UK.

Step 4: Even where no top-up tax is due, the UK Self-Assessment return must still be filed. It covers both MTT and DTT and cannot be skipped.

Step 5: If you have already missed the deadline, do not wait. File as soon as possible. The penalty exposure grows the longer the return remains outstanding.

What This Means for Future Cycles

The June 30, 2026 deadline is the first. From the second cycle onwards, the deadline shortens to 15 months from period end. For a December 2025 year-end, that means a filing deadline of March 31, 2027.

The transitional relief published by HMRC on May 19, 2026 applies only where the GIR filing deadline is no later than December 31, 2026. It is not a permanent feature of the Pillar Two regime. The expectation from both HMRC and the OECD is that exchange infrastructure will be fully operational before the second cycle, and that the conditions for penalty relief will become more stringent, not less.

Groups that treat the first cycle as an opportunity to build robust data infrastructure, validated XML workflows and clean ORN procedures will be significantly better positioned for every filing cycle that follows.