We do not exit when complexity enters. We stand by our clients through every regulatory shift, audit, and challenge. Unwavering support is the foundation of our firm.
We use cookies to ensure our website functions properly and to understand how you interact with our site. Privacy Policy
The UAE Domestic Minimum Top-up Tax under Cabinet Decision No. 142 of 2024 applies to financial years starting on or after 1 January 2025. First filings are due within 15 months of fiscal year-end, extended to 18 months for the transitional year. For a calendar-year MNE group, the first return is due 30 June 2027.
In Q1 2026 the most common date associated with the UAE DMTT in market commentary was September 2026. The reasoning was straightforward: UAE Corporate Tax filings for fiscal years ending 31 December 2025 are due 30 September 2026 (9 months from year-end under FDL No. 47 of 2022), and the DMTT was assumed to follow the same calendar.
It does not. The UAE DMTT under Cabinet Decision No. 142 of 2024 imports the OECD Pillar Two filing architecture, which sets the standard return deadline at 15 months from fiscal year-end and extends the deadline to 18 months for the transitional year (the first fiscal year an MNE group is in scope of the regime). The transitional extension is the operative period for first filings under CD 142/2024. For a calendar-year MNE group with FY2025 ending 31 December 2025, the standard 15-month deadline would fall on 31 March 2027; the transitional 18-month extension moves it to 30 June 2027. September 2026 is the UAE Corporate Tax deadline for the same fiscal year and the same group, but it is not the DMTT deadline.
The procedural distinction matters because CD 142/2024 and FDL No. 47 of 2022 are separate statutory regimes that share an administrative platform (EmaraTax) but operate on separate registrations, separate forms, separate calculation methodologies, and separate payment cycles. An MNE group that prepares for September 2026 as if it were the DMTT deadline either (a) accelerates the DMTT preparation cycle unnecessarily, compressing what was designed as an 18-month runway into 9 months, or (b) misses the actual DMTT deadline because the reading was always Corporate Tax timing rather than DMTT timing.
The two-track architecture is the right starting point. UAE Corporate Tax at 9% (or 0% under the QFZP regime) operates on a 9-month return cycle. UAE DMTT at the 15% effective floor on Excess Profit operates on a 15-month return cycle, with the first cycle extended to 18 months for the transitional year. The two regimes meet at the point where the Corporate Tax return supplies the Covered Taxes input to the DMTT calculation, but they file on separate calendars and through separate filings.
This article walks the procedural reality of the first DMTT filing cycle: the two-track filing picture; the 15-month / 18-month transitional window; the registration mechanics; the GIR and the Top-up Tax Return; the payment mechanics; the QDMTT Safe Harbour discharge of overseas IIR/UTPR liability; the five most common first-cycle traps; and the sequencing with UK MTT and Ireland Pillar Two filings on parallel calendars.
Two separate UAE filings apply to in-scope MNE groups for the same fiscal year. Each runs on its own calendar and its own statutory base.
Track 1: UAE Corporate Tax under Federal Decree-Law No. 47 of 2022. Applies to all UAE-resident juridical persons and Free Zone Persons. Filing window: 9 months from fiscal year-end. Standard rate 9% above AED 375,000 of taxable income; 0% on Qualifying Income for Qualifying Free Zone Persons satisfying the five cumulative conditions of Article 18 (the QFZP analysis sets out the framework). For FY2025 calendar-year groups: 30 September 2026. The Corporate Tax return is filed through EmaraTax on the standard CT return form.
Track 2: UAE DMTT under Cabinet Decision No. 142 of 2024. Applies to UAE Constituent Entities of MNE groups with consolidated annual revenue of EUR 750 million or more in two of four preceding fiscal years (the DMTT framework analysis sets out scope and calculation). Filing window: 15 months from fiscal year-end (standard); 18 months for the transitional year. For FY2025 calendar-year groups: 30 June 2027 under the transitional extension. The DMTT return is filed through EmaraTax on a separate Top-up Tax Return form, alongside the GloBE Information Return.
The two filings produce separate tax liabilities. The Corporate Tax filing produces UAE Corporate Tax payable (or refund) at 9% / 0% on the Corporate Tax base. The DMTT filing produces UAE Top-up Tax payable (or nil) at the difference between the jurisdictional Effective Tax Rate and 15%, multiplied by Excess Profit (GloBE Income reduced by the Substance-based Income Exclusion). The Corporate Tax already paid is one of the Covered Taxes inputs to the DMTT ETR calculation; the DMTT does not refund or duplicate the Corporate Tax, it tops up the rate where the ETR falls below 15%.
For a UAE Constituent Entity of an in-scope MNE group with FY2025 calendar-year-end:
The 9-month gap between the two filings is the operational reality of the first cycle. The Corporate Tax filing happens first; the DMTT calculation then uses the audited financial statements, the Corporate Tax Covered Taxes paid, and the GloBE adjustments to produce the top-up calculation; the DMTT return is then filed in the second window.
For groups below the EUR 750 million threshold, only Track 1 applies. For groups at or above the threshold, both tracks apply for every UAE fiscal year from 1 January 2025 onwards.
The 15-month standard filing deadline and the 18-month transitional extension are imported from the OECD Pillar Two Model Rules and adopted into UAE law through CD 142/2024 and the Ministerial Decision No. 88 of 2025 adoption of OECD Commentary and Administrative Guidance through January 2025.
The 15-month rule applies in the standard cycle. After the first fiscal year in which the MNE group is in scope, every subsequent DMTT filing is due within 15 months of the relevant fiscal year-end. For a calendar-year group, FY2026 produces a DMTT filing due 31 March 2028; FY2027 produces a DMTT filing due 31 March 2029; and so on.
The 18-month transitional extension applies to the first fiscal year an MNE group is within scope. The extension is intentional and reflects the operational reality that first-cycle compliance requires substantially more preparation than subsequent cycles: registration with the FTA, design of the GIR-production workflow, alignment of audited financial statements to GloBE Income mechanics, computation of the Substance-based Income Exclusion using transitional rates, identification of Covered Taxes including foreign withholding taxes paid by UAE Constituent Entities on cross-border income, and reconciliation of the DMTT calculation against the Corporate Tax return for the same fiscal year.
For most UAE Constituent Entities of MNE groups with calendar fiscal years, the transitional year is FY2025 (1 January 2025 to 31 December 2025). The 18-month window runs from 1 January 2026 to 30 June 2027. For groups with non-calendar fiscal years (a fiscal year ending 30 June, for example), the transitional year is the first fiscal year ending after 1 January 2025; if FY ending 30 June 2025 is the first in-scope year, the 18-month window runs from 1 July 2025 to 31 December 2026.
The same 15/18-month framework applies in jurisdictions that have implemented Pillar Two on the same OECD timeline. The UK Multinational Top-up Tax and Domestic Top-up Tax under Part 3 of Finance (No. 2) Act 2023 produces the same structure: 15 months standard, 18 months for the first accounting period subject to MTT, with the additional UK-specific floor that the filing date cannot fall before 30 June 2026 (HMRC manual MTT53010). Ireland's Pillar Two implementation under Part 4A TCA 1997 (Finance (No. 2) Act 2023) similarly applies the 15/18-month framework, with the first IIR/QDTT filing for groups with FY2024 year-ends due on or before 30 June 2026 per Revenue eBrief No. 244/25 (December 2025).
For corridor groups operating across two or three jurisdictions, the first-cycle filings stack up across 2026 and 2027. The architectural answer is to run a single GloBE Income workflow that produces the inputs for all relevant filings, rather than recomputing the same data three times for three separate filings.
Registration with the Federal Tax Authority for DMTT purposes is a separate registration from UAE Corporate Tax registration. A UAE Constituent Entity of an in-scope MNE group already registered for Corporate Tax must complete a separate DMTT registration before the first filing window closes.
Who registers. The UAE Constituent Entity of an MNE group within the scope of CD 142/2024. Where the group has multiple UAE Constituent Entities, each registers separately, with the group designating a filing entity (typically the UAE-located parent, where one exists, or a designated UAE Constituent Entity) responsible for coordinating the GIR and the consolidated DMTT calculation. The filing-entity designation aligns with OECD Pillar Two Model Rules Article 8 administrative provisions and is operationally consistent with parallel UK MTT and Ireland Pillar Two filing-entity designations.
When to register. As at 29 May 2026, the FTA's DMTT registration channel is operational via EmaraTax. CD 142/2024 governs the registration framework; specific FTA implementing decisions on DMTT registration deadlines continue to emerge through bulletins. The architectural answer is to register before the first fiscal year-end relevant to the group's position (for FY2025 calendar-year groups: by 31 December 2025) and certainly before the first filing window closes (FY2025 calendar-year groups: 30 June 2027). Registration in advance of the fiscal year-end allows the group to use the EmaraTax portal infrastructure throughout the first fiscal year for record-keeping and filing preparation.
How to register. Registration runs through EmaraTax (https://eservices.tax.gov.ae). The MNE group's UAE Constituent Entity completes the DMTT registration form with: legal name, Tax Registration Number (where existing for Corporate Tax purposes), Ultimate Parent Entity details, group consolidated revenue confirmation against the EUR 750 million threshold, fiscal year-end, designated filing entity, and supporting documentation. The FTA processes the registration and issues a DMTT-specific reference. Where the Corporate Tax registration is already operational, the DMTT registration links to the existing TRN; where Corporate Tax registration is not yet completed, both registrations are typically processed in parallel.
Penalties for late or non-registration. The administrative penalties framework under Cabinet Decision No. 75 of 2023 on Administrative Penalties for Violations Related to Federal Decree-Law No. 47 of 2022 applies. Late registration penalties of AED 10,000 are operative for Corporate Tax registration; specific DMTT registration penalty structures are set through subsequent FTA implementing decisions and CD 75/2023 framework application. Late filing, non-payment, and record-keeping violation penalties operate on the same framework as Corporate Tax. As the regime matures the FTA may publish DMTT-specific penalty bulletins.
The first DMTT filing cycle requires three coordinated documents.
The GloBE Information Return (GIR). The standardised information return template published by the OECD in January 2025 and adopted into UAE law via Ministerial Decision No. 88 of 2025. The GIR is the OECD-aligned data return that captures the MNE group's GloBE Income, Covered Taxes, jurisdictional Effective Tax Rate, Excess Profit, Substance-based Income Exclusion, top-up tax computation, and transitional safe harbour elections (where applicable). The GIR contains data for every jurisdiction in which the MNE group operates, not just the UAE.
The UAE Top-up Tax Return. The UAE-specific filing under CD 142/2024. It captures the UAE-jurisdiction-only computation: UAE Constituent Entities aggregated for the ETR test, UAE Covered Taxes (Corporate Tax paid + foreign withholding taxes paid by UAE entities on cross-border income), UAE GloBE Income, UAE Substance-based Income Exclusion, UAE Excess Profit, and the resulting UAE Top-up Tax payable. The Top-up Tax Return is filed through EmaraTax.
Supporting documentation. The substance evidence file (board minutes, director attendance, OPEX records, contracts signed in the UAE) required for the QFZP test under Article 18 FDL 47/2022, the CMC test under Wood v Holden, and the SBIE test under CD 142/2024. Transfer pricing files under Articles 34 and 55 FDL 47/2022. GloBE Income reconciliation against audited financial statements. SBIE workings showing eligible payroll and tangible asset bases.
The relationship between the GIR and the Top-up Tax Return is administrative. The GIR is the international standard for inter-jurisdictional information exchange under Pillar Two; the Top-up Tax Return is the UAE-specific filing that computes the UAE liability. The data feeds run from the same underlying GloBE workpapers, but the two are not interchangeable forms.
Central GIR filing under the OECD common understanding of 18 May 2026. On 18 May 2026 the OECD released a common understanding among implementing jurisdictions on central filing and exchange of the GIR for FY2024 returns due 30 June 2026. The common understanding is transitional, pending finalisation of the central filing infrastructure. Under the transitional approach, an MNE group filing its GIR in one implementing jurisdiction (typically the UPE jurisdiction) discharges the GIR filing obligation in other implementing jurisdictions, with the GIR exchanged through the OECD-coordinated mechanism. The UAE-side approach for FY2025 first filings is expected to follow a similar logic, although the UAE-specific implementation may issue through subsequent FTA bulletins or Ministerial Decisions.
For UAE Constituent Entities of MNE groups whose Ultimate Parent Entity is in another implementing jurisdiction (UK, Ireland, France, Germany, Japan, Australia, Canada, others), the GIR is typically filed centrally in the UPE jurisdiction; the UAE Constituent Entity files the UAE Top-up Tax Return locally and references the centrally-filed GIR. For UAE-headquartered MNE groups with UAE as the UPE jurisdiction, the GIR is filed in the UAE alongside the Top-up Tax Return.
UAE DMTT payment runs through EmaraTax on the same payment infrastructure as UAE Corporate Tax. Payment is due on the same date as the Top-up Tax Return filing: within 15 months of fiscal year-end (standard) or 18 months for the transitional year. There is no separate payment cycle and no instalment mechanism for DMTT.
For FY2025 calendar-year groups, the DMTT payment is due 30 June 2027 alongside the return filing. The amount payable is the UAE Top-up Tax computed on the Top-up Tax Return: (15% minus jurisdictional ETR) multiplied by Excess Profit (GloBE Income minus SBIE). Where the ETR is at or above 15%, no top-up tax is payable.
The R&D Tax Credit under Cabinet Decision No. 215 of 2025 + Ministerial Decision No. 24 of 2026, effective for tax periods commencing on or after 1 January 2026, can be applied against the UAE Top-up Tax liability. The credit is non-refundable in Phase 1 and reduces UAE Corporate Tax and UAE Top-up Tax liability up to the credit balance, with unused credit carried forward to subsequent tax periods. The order of operations matters: GloBE ETR is computed before the credit, the top-up tax is computed against Excess Profit after SBIE, and the credit is then applied against the resulting top-up tax liability up to the credit balance. The full mechanics are walked in the DMTT framework analysis.
For FY2025 (the transitional year), the R&D Tax Credit is not yet operative because CD 215/2025 + MD 24/2026 apply to tax periods commencing on or after 1 January 2026. For FY2026 (calendar-year groups: 1 January 2026 to 31 December 2026, second DMTT cycle), the R&D credit is available where the MNE group's UAE R&D activity satisfies the qualifying conditions and the FTA pre-approval has been obtained.
The UAE DMTT achieved OECD Transitional Qualified Status in late August 2025 and meets the QDMTT Safe Harbour conditions. The Safe Harbour status is the operational mechanism that prevents parallel top-up calculations on UAE income in other implementing jurisdictions.
For a UAE Constituent Entity of an MNE group whose Ultimate Parent Entity is in a jurisdiction operating an Income Inclusion Rule (IIR), typically the UK, Ireland, France, Germany, Japan, Australia, Canada, or another OECD-implementing state, the Safe Harbour means the UPE jurisdiction's IIR does not separately compute or charge a top-up tax on the UAE Constituent Entity's UAE income. The UAE QDMTT discharges the Pillar Two liability on UAE income; the UPE jurisdiction's IIR applies only to the foreign Constituent Entities outside the UAE.
The discharge is automatic under the Safe Harbour conditions, but it requires the GIR to evidence the QDMTT calculation properly. Where the GIR is filed centrally in the UPE jurisdiction (per the 18 May 2026 OECD common understanding), the UAE-jurisdiction data within the GIR demonstrates the QDMTT calculation and the Safe Harbour application. Where the UAE GIR data is incomplete or the UAE Top-up Tax Return is filed late, the Safe Harbour status for that jurisdiction is at risk and the UPE jurisdiction's IIR may apply on UAE income.
The architectural answer for in-scope MNE groups is to ensure the UAE first-cycle filing produces a complete, on-time, audit-ready Top-up Tax Return that demonstrates the QDMTT calculation in the GIR data set. The 18-month transitional window provides time for that preparation; missed deadlines defeat the Safe Harbour.
For UAE-headquartered MNE groups with foreign Constituent Entities, the UAE has not implemented an IIR under CD 142/2024. The published rationale is that the UAE Corporate Tax regime does not include a controlled foreign company regime; the IIR is therefore not relevant to the UAE position. UAE-headquartered MNE groups cannot use the UAE as the top-of-the-stack jurisdiction for foreign Constituent Entity Pillar Two compliance; the IIR or UTPR of the relevant foreign jurisdiction applies to those Constituent Entities.
Five patterns produce most of the early-stage filing failures we observe in client files in 2026.
The "September 2026 is the DMTT deadline" trap. The most common first-cycle confusion is that the UAE Corporate Tax 9-month deadline (30 September 2026 for FY2025 calendar-year groups) is the same as the UAE DMTT deadline. The two regimes share an EmaraTax platform but operate on separate calendars and separate forms. The DMTT deadline for FY2025 calendar-year groups is 30 June 2027 (transitional 18-month extension) or 31 March 2027 (standard 15-month, applicable from FY2026 onwards). An MNE group preparing for September 2026 as the DMTT deadline accelerates the calculation cycle into the 9-month window, compressing what was designed as 18-month preparation into half the time.
The "transitional year extension is automatic but the calendar moves with FY-end" trap. The 18-month extension applies to the first fiscal year an MNE group is in scope of CD 142/2024. For most calendar-year groups, the transitional year is FY2025 (1 January to 31 December 2025), with the 18-month window running from 1 January 2026 to 30 June 2027. For groups with non-calendar fiscal years, the transitional year is the first fiscal year ending after 1 January 2025; the 18-month window runs from the day after that fiscal year-end. A group with a 30 June fiscal year-end whose FY ending 30 June 2025 is the first in-scope year has an 18-month window running from 1 July 2025 to 31 December 2026. Front-loading the schedule to assume a December calendar year produces premature filings or missed deadlines.
The "substance evidence built in the filing window" trap. SBIE under CD 142/2024 requires the UAE Constituent Entity to demonstrate eligible payroll and tangible asset bases throughout the fiscal year. Substance evidence is calendar-bound: payroll is paid throughout the year, board minutes are signed at the meetings they record, tangible assets are acquired and used over time. An MNE group attempting to construct the substance file during the 18-month filing window (rather than throughout the fiscal year itself) produces evidence that does not survive FTA scrutiny or, where the GIR exchanges with overseas jurisdictions, foreign tax authority scrutiny under the QDMTT Safe Harbour. The architectural answer is real-time substance documentation throughout FY2025, not retrospective construction during 2026 or 2027.
The "GIR is the same as the Top-up Tax Return" trap. The GIR is the OECD-aligned international information return; the Top-up Tax Return is the UAE-specific filing under CD 142/2024. They share data but are different documents. An MNE group that prepares only the GIR and treats it as the UAE filing misses the UAE Top-up Tax Return. Conversely, an MNE group that prepares only the UAE Top-up Tax Return without the GIR risks failing the QDMTT Safe Harbour conditions in jurisdictions that require GIR exchange. Both documents are required for first-cycle compliance.
The "QDMTT Safe Harbour as automatic" trap. The Safe Harbour deactivates parallel IIR calculations in IIR jurisdictions only where the UAE QDMTT calculation is properly evidenced in the GIR. Where the UAE filing is late, incomplete, or fails to demonstrate the QDMTT computation, the Safe Harbour is at risk for that fiscal year. The IIR jurisdiction (UK MTT, Ireland Pillar Two, etc.) may then re-compute the UAE income at 15% under its own IIR, with the MNE group facing parallel filings and parallel tax. The architectural answer is to treat the UAE first cycle as the Safe Harbour evidence cycle, not as a standalone domestic filing.
The common feature of all five traps is that the first cycle is treated as a standalone UAE compliance event rather than as the first iteration of an integrated multi-jurisdictional Pillar Two compliance architecture. Treated as standalone, the trap surface is the UAE filing alone; treated as integrated, the trap surface includes the UAE filing, the GIR exchange, the UPE jurisdiction's IIR application, and the cross-jurisdictional Safe Harbour discharge.
The UAE DMTT first filing does not stand alone. For corridor MNE groups operating across two or three jurisdictions, the first-cycle filings stack across 2026 and 2027, with the UPE jurisdiction's IIR filing typically running first and the QDMTT filings (UAE, where applicable) running second.
UK Multinational Top-up Tax and Domestic Top-up Tax under Part 3 Finance (No. 2) Act 2023. Standard 15-month filing window; 18-month transitional window for the first accounting period subject to MTT. UK-specific floor: filing date cannot fall before 30 June 2026 (HMRC manual MTT53010). For calendar-year UK-headquartered groups whose first accounting period subject to MTT is the year beginning 31 December 2023 (FY2024), the first MTT/DTT filing is due 30 June 2026. The UK MTT applies to non-UK Constituent Entities; the UK Domestic Top-up Tax applies to UK Constituent Entities.
Ireland Pillar Two under Part 4A TCA 1997 (Finance (No. 2) Act 2023). The IIR applies for accounting periods commencing on or after 31 December 2023; UTPR from 31 December 2024; QDTT from 31 December 2023. Pillar Two registration deadline extended from 31 December 2025 to 28 February 2026 by Revenue eBrief No. 244/25. First IIR/QDTT filing for Irish in-scope groups with FY2024 year-ends due on or before 30 June 2026. First QDMTT filing for accounting periods ending between 1 January 2024 and 30 September 2025 was extended from 17 November 2025 to 30 September 2026 in subsequent Revenue guidance.
UAE DMTT under Cabinet Decision No. 142 of 2024. Effective for financial years starting on or after 1 January 2025. First filing 18 months from FY-end (transitional). For calendar-year UAE Constituent Entities with FY2025 ending 31 December 2025, first DMTT filing due 30 June 2027.
The corridor sequence for a UK-headquartered MNE group with UAE operating subsidiaries operates across three filings:
For UAE-headquartered MNE groups, the UAE has not implemented an IIR; foreign Constituent Entities are subject to the IIR/UTPR of their respective jurisdictions. The UAE filing is the QDMTT only.
The architectural answer for corridor groups is to run a single GloBE Income workflow per fiscal year, with the GIR produced once and filed centrally per the OECD common understanding of 18 May 2026. The local Top-up Tax Returns (UAE, UK, Ireland) are produced from the same GloBE workpapers but filed locally on the respective deadlines.
The full UAE DMTT framework, including the five-step calculation, the SBIE mechanics, the QFZP interaction, the R&D Tax Credit interaction, and the QDMTT Safe Harbour status, is set out in the DMTT framework analysis. This article walks the procedural reality of the first filing cycle; the framework analysis walks the substantive law.
For a calendar-year MNE group within scope of CD 142/2024 with FY2025 ending 31 December 2025, the first DMTT return is due 30 June 2027 under the 18-month transitional extension. The standard 15-month deadline (which applies from FY2026 onwards) would fall on 31 March 2027; the transitional extension moves the first filing to 30 June 2027. The underlying UAE Corporate Tax return for the same fiscal year is due 30 September 2026 (9 months from year-end under FDL No. 47 of 2022); the two filings are separate and run on separate calendars.
No. UAE Corporate Tax under FDL No. 47 of 2022 must be filed within 9 months of fiscal year-end (FY2025 calendar-year groups: 30 September 2026); UAE DMTT under Cabinet Decision No. 142 of 2024 must be filed within 15 months (FY2025 standard: 31 March 2027) or 18 months for the transitional year (FY2025: 30 June 2027). Both filings run through EmaraTax but on separate forms, separate registrations, and separate payment cycles. The two regimes share an administrative platform but operate on separate calendars.
The 18-month transitional extension applies to the first fiscal year an MNE group is within scope of CD 142/2024. The standard 15-month filing deadline is extended by 3 months for that first cycle, giving the group additional time to register, build the GIR-production workflow, align audited financial statements to GloBE Income, compute the SBIE using transitional rates, and reconcile the DMTT calculation against the Corporate Tax return. The extension is automatic on the facts and is imported from the OECD Pillar Two Model Rules (Article 9.4) as adopted into UAE law via Ministerial Decision No. 88 of 2025. For most calendar-year groups the transitional year is FY2025; for groups with non-calendar fiscal years it is the first fiscal year ending after 1 January 2025.
Registration runs through EmaraTax (https://eservices.tax.gov.ae). The MNE group's UAE Constituent Entity completes a separate DMTT registration form (distinct from UAE Corporate Tax registration), supplying legal name, Tax Registration Number where existing, Ultimate Parent Entity details, group consolidated revenue confirmation against the EUR 750 million threshold, fiscal year-end, designated filing entity for the group, and supporting documentation. The FTA processes the registration and issues a DMTT-specific reference. As at 29 May 2026 the registration channel is operational; specific FTA implementing decisions on DMTT registration deadlines continue to emerge through bulletins. The architectural answer is to register before the first fiscal year-end relevant to the group's position and certainly before the first filing window closes.
The GIR is the standardised information return template published by the OECD in January 2025 and adopted into UAE law via Ministerial Decision No. 88 of 2025. The GIR contains data for every jurisdiction in which the MNE group operates, captures the GloBE Income / Covered Taxes / ETR / Excess Profit / SBIE / top-up tax computation, and is the international standard for inter-jurisdictional information exchange under Pillar Two. The UAE Top-up Tax Return is the UAE-specific filing under CD 142/2024 that captures the UAE-jurisdiction-only computation and is filed through EmaraTax. Both documents are required for first-cycle compliance: the GIR for international information exchange under the QDMTT Safe Harbour, the Top-up Tax Return for UAE liability calculation and payment.
On 18 May 2026 the OECD released a common understanding among implementing jurisdictions on central filing and exchange of the GloBE Information Return for FY2024 returns due 30 June 2026 in implementing jurisdictions (UK, Ireland, France, Germany, Japan, Australia, Canada, others). Under the transitional approach, an MNE group filing its GIR in one implementing jurisdiction (typically the Ultimate Parent Entity jurisdiction) discharges the GIR filing obligation in other implementing jurisdictions, with the GIR exchanged through the OECD-coordinated mechanism. The common understanding is transitional, pending finalisation of the central filing infrastructure. The UAE-side approach for FY2025 first filings is expected to follow a similar logic, although the specific UAE implementation may issue through subsequent FTA bulletins or Ministerial Decisions.
Yes, conditional on the UAE QDMTT calculation being properly evidenced in the GIR. The UAE DMTT achieved OECD Transitional Qualified Status in late August 2025 and meets the QDMTT Safe Harbour conditions. The Safe Harbour means the UPE jurisdiction's IIR (UK MTT under Part 3 Finance (No. 2) Act 2023; Ireland Pillar Two under Part 4A TCA 1997 / Finance (No. 2) Act 2023) does not separately compute or charge a top-up tax on UAE Constituent Entities' UAE income. Where the UAE filing is late, incomplete, or fails to demonstrate the QDMTT computation, the Safe Harbour is at risk and the IIR jurisdiction may apply. The architectural answer is to treat the UAE first cycle as the Safe Harbour evidence cycle, not as a standalone domestic filing.
The administrative penalties framework under Cabinet Decision No. 75 of 2023 on Administrative Penalties for Violations Related to Federal Decree-Law No. 47 of 2022 applies. Late registration penalties of AED 10,000 are operative for Corporate Tax registration; specific DMTT registration penalty structures are set through subsequent FTA implementing decisions and CD 75/2023 framework application. Late filing, non-payment, and record-keeping violation penalties operate on the same framework as Corporate Tax. As the regime matures the FTA may publish DMTT-specific penalty bulletins. The architectural answer is to register early, file on time, and maintain audit-ready records throughout the fiscal year rather than retrospectively at the filing date.
The September 2026 deadline is the Corporate Tax deadline. The DMTT deadline is 30 June 2027 for calendar-year MNE groups in their transitional year, 31 March 2027 onwards for subsequent cycles. The procedural distinction is the first thing the first cycle teaches.
On 10 May 2026 the UAE Ministry of Finance moved the Phase 1 ASP appointment deadline from 31 July 2026 to 30 October 2026 by amending Ministerial Decision No. 244 of 2025. The 1 January 2027 go-live did not move. For AED 50 million+ entities the runway between ASP appointment and live filing is now nine weeks.
Read AnalysisThe UAE Domestic Minimum Top-up Tax under Cabinet Decision No. 142 of 2024 is not a separate tax. It is a recomputation of every other UAE tax outcome against a 15% floor for in-scope MNE groups (consolidated revenue EUR 750m or more in two of the preceding four fiscal years), effective 1 January 2025.
Read Analysis