UAE E-Invoicing Timeline 2026–27: Deadlines & Checklist

As of October 2026, UAE e-invoicing becomes mandatory for large businesses on 1 January 2027 and smaller businesses on 1 July 2027. If your revenue is under AED 50m, you must first appoint an Accredited Service Provider by 31 March 2027. Use the timeline and readiness checklist below to plan that transition.

What the UAE e-invoicing system is

E-invoicing in the UAE does not mean emailing a PDF. An electronic invoice is a structured XML file in the PINT AE format, the UAE version of the international Peppol specification, exchanged between accredited providers and reported to the Federal Tax Authority (FTA). The legal framework is Ministerial Decision No. 243 of 2025 (scope and obligations), Ministerial Decision No. 244 of 2025 (timeline, amended by Ministerial Decision No. 66 of 2026) and Cabinet Decision No. 106 of 2025 (penalties).

The Ministry of Finance (MoF) calls it a five-corner model:

1. Corner 1, the supplier, sends invoice data from its accounting system to its ASP.
2. Corner 2, the supplier's ASP, validates the data, converts it to PINT AE XML and sends it to the buyer's ASP, while reporting tax data to the FTA.
3. Corner 3, the buyer's ASP, validates the invoice, confirms receipt and reports tax data to the FTA.
4. Corner 4, the buyer, receives the invoice in whatever format it has agreed with its own ASP.
5. Corner 5, the FTA, receives tax data from both ASPs and sends confirmations back.

Both supplier and buyer need an ASP according to their phase. E-invoices carry no QR code: clean customer and item data, not a new PDF layout, determines whether they pass validation.

Who is in scope, and what is excluded

MD 243 applies to any person conducting business in the UAE, for every business transaction, unless an exclusion applies. VAT registration is not the test. The MoF guidelines state that e-invoicing applies regardless of VAT status, and that an in-scope business with no Tax Registration Number (TRN) must register with the FTA to obtain a Tax Identification Number (TIN). If you are close to registering for VAT anyway, our guide to the UAE VAT registration threshold covers the AED 375,000 test.

A few edge cases come up often:

• Investment holding companies with only passive income are outside scope. Once they recharge management fees or other costs, those recharges are business transactions and must be e-invoiced.
• Free zone companies are in scope like any other business. Invoices involving a free zone party need additional ‘beneficiary’ details.
• Non-resident businesses registered for UAE VAT must issue their tax invoices as e-invoices. Overseas owners with a UAE VAT number should not assume the mandate is only for local companies.
• Exports are in scope. If the overseas customer has no Peppol ID, the e-invoice uses a predefined endpoint (0235:9900000099).

UAE e-invoicing timeline by business size

MD 244 of 2025 sets the phases. Announced on 10 May 2026, MD 66 of 2026 extended only the large-business ASP deadline from 31 July to 30 October 2026. Go-live and the other phases remain unchanged. The MoF's June 2026 guidelines still show 31 July in their table; the amending decision prevails.

Revenue means gross income for the most recent accounting period, based on financial statements prepared under UAE rules or, where there are none, other documentation acceptable to the FTA (MD 244, Art 1).

Worked example: which phase are you in?

• Trading company, year ended 31 December 2025, revenue AED 62m. Phase 1. It must appoint its ASP by 30 October 2026 and issue e-invoices from 1 January 2027, so it should be in testing now.
• Consultancy, revenue AED 18m. Phase 2. ASP contract by 31 March 2027, live by 1 July 2027. Its larger suppliers start e-invoicing in January 2027, though, so it will feel the change six months early on the purchasing side.
• Group with companies either side of AED 50m. The test is applied to each person, so each company checks its own revenue. Each VAT group member onboards separately with its own TIN, and members may choose different ASPs.

Choosing an Accredited Service Provider

Check the MoF's published list for providers accredited under Ministerial Decision No. 64 of 2025. The Ministry reported 32 approved providers on 10 May 2026; that is a dated count, not today's total.

You appoint one ASP for both sending and receiving. Onboarding is started by you, not the ASP: after signing the contract, your EmaraTax account admin opens the E-INVOICING tile, selects the provider and is redirected to its portal. Your Peppol participant identifier is 0235 followed by your 10-digit TIN, which is the first 10 digits of your TRN.

The MoF's own guidance on selecting a provider suggests asking about:

• Integration: does it connect to your ERP or accounting software (API, file upload or ready-made connector), and who builds the integration?
• Ownership and support: is the platform its own or a third-party product, and is support in-house or subcontracted?
• Data location and security: where is data stored, and which certifications and incident-response plans does it have?
• Service levels: support response times and uptime commitments.
• Pricing: subscription or per transaction, and any hidden fees. The MoF recommends checking that the contract includes 100 free e-invoices per year, as provided for under MD 64 of 2025.

Ask each ASP to demonstrate a working connection to your existing software, not a roadmap. If your system cannot produce the required data, review your accounting software setup before signing.

What changes in your invoicing process

Data fields

PINT AE requires prescribed fields; businesses cannot invent additional ones. Map legal names, applicable TRNs, licence numbers and authorities, line-level tax categories and item types against the MoF requirements for each scenario. Foreign-currency tax invoices also need prescribed AED totals using the approved Central Bank exchange rate. Do not treat the sample invoice as a universal list: required fields depend on the document and transaction.

The 14-day rule

MD 243 requires an e-invoice or e-credit note to be issued and transmitted within 14 days of the date of the business transaction, meaning the earlier of the transaction date or the date payment is received. VAT-registered issuers follow the VAT Law time limits instead, which for tax invoices is also 14 days from the date of supply. Example: a contractor that is not VAT-registered receives AED 20,000 on 2 March for work completed on 10 March. The trigger is 2 March, so the e-invoice is due by 16 March.

Credit notes

An electronic credit note is required when a transaction is cancelled, the price is reduced, consideration is refunded, or there is an administrative or numerical error (MD 243, Art 6(2)). Habits such as editing or voiding a posted invoice stop working once invoices are reported to the FTA. Provisional invoices must also be e-invoices, with any adjustment made by credit note or an additional invoice.

Customers who are not live yet

Until July 2027 many buyers will not be on the network. A Phase 1 supplier invoicing such a customer still issues the e-invoice, using the predefined endpoint 0235:9900000098, and also sends a regular tax invoice (for example a PDF) so the customer can support its input VAT claim.

Storage

Article 11 of MD 243 says records must be stored ‘within the State’ for the statutory periods, generally 5 years after the tax period. MoF guidelines permit servers inside or outside the UAE if secure, intact records remain promptly retrievable and readable by the FTA. Delegating storage to your ASP does not transfer your responsibility.

E-invoicing readiness checklist

Use this checklist alongside the MoF onboarding route. Phase 2 businesses work back from 1 July 2027; Phase 1 businesses need the same preparation sooner.

1. 1Confirm your phase and scopeTake revenue from your latest financial statements, list every legal entity and VAT group member, and map which sales are B2B, B2G, B2C or excluded. Flag self-billing, agent billing, e-commerce and export flows, because each has its own PINT AE scenario rules.
2. 2Put your TIN and EmaraTax profile in orderYour TIN is the first 10 digits of your TRN. If you are in scope but not registered for any tax, register with the FTA to obtain one. Check that the trade licence, address and contact details in EmaraTax are current before onboarding.
3. 3Clean your master dataCollect TRNs, trade licence numbers and issuing authorities for every business customer, and their Peppol IDs as they onboard. Give every item code a tax category and a goods or services type. Merge duplicate customer records.
4. 4Run a gap analysis on your accounting systemTest whether it can produce every mandatory field, including AED totals on foreign-currency invoices, credit notes that reference the original invoice, advance payments and retentions. Decide whether to configure, upgrade or replace it.
5. 5Select and contract an ASPCompare at least two accredited providers on integration, support, data storage and pricing. Sign before 31 March 2027 (Phase 2), then complete onboarding through EmaraTax and obtain your Peppol participant ID.
6. 6Redesign the process around the invoiceRework approvals so invoices go out within the 14-day window, stop manual edits to posted invoices, name who monitors rejection messages and who fixes them, and agree how inbound e-invoices reach accounts payable.
7. 7Test end to endTest sending and receiving invoices, success and rejection confirmations, and FTA reporting. Voluntary adoption has been open since 1 July 2026; the exemption covers specific e-invoicing penalties, not existing VAT obligations.
8. 8Go live and manage changeAgree an error-resolution process with your ASP, write a system-failure procedure (FTA notice within 2 business days), and tell your ASP about any change to your FTA registration data within 5 business days of the FTA confirming it.

Penalties and system failures

Cabinet Decision No. 106 of 2025 sets the e-invoicing penalties. They apply once you are mandatorily in scope; voluntary e-invoicing does not attract them (CD 106, Art 2(2)).

Worked example. A company starts on 10 August 2027 instead of 1 July. Two months or parts thereof could mean AED 10,000 for implementation delay. Its 70 July invoices issued only as PDFs generate AED 7,000 at AED 100 each, limited to AED 5,000 by the monthly invoice cap. The two calculations total AED 15,000 before August invoices or VAT penalties. This illustrates separate exposures, not a prediction of an FTA assessment; confirm the applicable violations in your circumstances.

VAT penalties can apply as well. The FTA's amended penalty table (Cabinet Decision No. 40 of 2017 as amended by Cabinet Decision No. 129 of 2025, in force from 14 April 2026) includes AED 2,500 per case for a tax invoice or tax credit note not issued electronically where the rules require it.

System failures. If your systems or your ASP's stop you issuing or receiving e-invoices, you must notify the FTA within 2 business days (MD 243, Art 12). Accredited providers must also tell affected clients and the FTA about service disruptions and send delayed invoices once service resumes. Keep your own record of the outage, the notice and how the backlog was cleared.

Planning backwards from your go-live date

For a Phase 2 business a realistic plan is: finish scoping and data clean-up by the end of 2026, shortlist ASPs in January 2027, sign by early March, and keep April to June for integration, testing and staff training. Phase 1 businesses without a signed ASP contract should treat 30 October 2026 as the immediate priority and test through November and December. The rules have already moved once, so check the MoF e-invoicing page for further amendments before each milestone.

The same data work pays off elsewhere: clean invoices and coded items make a faster month-end close, and if you also sell into Europe you will meet structured e-invoicing again under EU ViDA. HOF Partners' invoice processing team can take on the data clean-up, ASP onboarding and day-to-day exception handling alongside your bookkeeping.