Key takeaways
- Every business in the UAE must keep accounting records, registered for VAT or not. A backlog does not pause any filing deadline.
- Backlog accounting rebuilds the books from source documents, from incorporation or from the last reliable balance, until every period is reconciled and closed.
- Bank statements for every account in every entity, closed accounts included, are the backbone of the rebuild.
- The VAT return for the quarter to 30 September 2026 is due by 28 October 2026. A late return costs AED 1,000, or AED 2,000 for a repeat within 24 months.
Backlogs rarely begin with neglect. More often the finance function has been stretched by an acquisition, a new entity, a change of accounting system or the departure of the person who held the close together, and the books of one or more companies slip behind. Backlog accounting is the orderly way back: the books are rebuilt from source documents, period by period, until each entity is complete, reconciled and closed. This article covers how the work runs, what the finance team needs to supply and why it should start before the next VAT or corporate tax deadline.
When a backlog accounting exercise is due
The signs are usually visible well before anyone names the problem:
- VAT returns are prepared from bank data or spreadsheets rather than from reconciled ledgers.
- Bank accounts have gone unreconciled for months. A bank reconciliation matches every transaction in the books to the bank statement and explains every difference.
- An entity has no financial statements for FY2025, or none since incorporation.
- Balances between group companies do not agree, and nobody can say which side is right.
- A lender, an auditor, a prospective buyer or the Federal Tax Authority (FTA) has asked for accounts the business cannot yet produce.
None of this depends on tax registration. Anyone conducting business in the UAE must keep accounting records (Federal Decree-Law No. 28 of 2022, Art. 4), every company must keep accounting registers (Federal Decree-Law No. 32 of 2021, Art. 26(1)), and every corporate tax taxable person must keep the records behind its return for 7 years (Federal Decree-Law No. 47 of 2022, Art. 56).
Deadlines run whether the books are ready or not
A backlog moves no filing date.
VAT returns and payments are due by the 28th day after the end of the tax period (Cabinet Decision No. 52 of 2017, Art. 64). For the quarter to 30 September 2026, or the month of September, that is Wednesday 28 October 2026.
Corporate tax returns and payments are due 9 months after the end of the tax period. For calendar-year businesses, FY2025 was due on 30 September 2026, with no extension, and FY2026 is due by 30 September 2027.
Since 14 April 2026, VAT penalties are set by Cabinet Decision No. 40 of 2017, as amended by Cabinet Decision No. 129 of 2025:
| VAT failure | Penalty |
|---|---|
| Late return | AED 1,000; AED 2,000 for a repeat within 24 months |
| Late payment | 14% a year on the unpaid tax, applied monthly |
| Incorrect return | AED 500, unless corrected by the filing deadline or by a voluntary disclosure with no tax difference |
| Voluntary disclosure of an error | 1% a month on the tax difference |
| Error not disclosed before the FTA notifies an audit | 15% of the difference plus 1% a month |
| Failure to keep records | AED 10,000; AED 20,000 for a repeat within 24 months |
A group with several separate VAT registrations has a return, and a deadline, for each one. Corporate tax has its own table. If an FY2025 return was not filed by 30 September, the late-filing penalty is already running: AED 500 a month for the first 12 months, then AED 1,000 a month (Cabinet Decision No. 75 of 2023). Our sister site, corporatetax.ebs.ae, explains what to file first.
The table points one way. Errors a business finds and discloses itself cost far less than errors the FTA finds first, and a rebuild is how those errors come to light. The FTA can normally audit a tax period for 5 years after it ends. That limit is not new, but it does mean past periods stay open.
How backlog accounting runs: five steps
ebs Chartered Accountants follows a published five-step method:
- Management engagement. A working session with management on what the business sells, how it is paid, which systems and bank accounts it uses, and where the gaps lie.
- Consolidating documents. Gathering the source documents: cheques, bank statements, transaction documents, vouchers, bills and payment slips.
- Updating the records. Posting the transactions from the information provided, in the software the business already uses.
- Generating and reviewing reports. Accounts receivable and payable, income statement, balance sheet and cash flow statement, with sales performance, financial ratio analysis, and break-even and working-capital analysis.
- Discussing the reports. Taking management through the results: how the business has performed and where it can improve.
Where the backlog spans VAT or corporate tax periods, catch-up filing is part of the work, and outstanding payables and receivables are resolved along the way. Each period is then properly closed, so the next one opens from a clean, audit-ready position. Where books were never kept, they can be prepared from the day of incorporation to the present date.
What the finance team needs to provide
A rebuild can only use what was recorded somewhere, so the documents have to come from the business. In order of importance, for each entity:
- Bank, card and loan statements for every account and the whole period, including closed accounts. These are the backbone of the rebuild.
- Sales invoices and credit notes, or exports from the invoicing or point-of-sale system.
- Purchase invoices, receipts and expense claims. For VAT, these support the input tax already claimed.
- Payroll records: salary sheets, payslips and an employee list with joining dates and basic wages, for the gratuity provision.
- Contracts: leases, loan agreements, and major customer and supplier contracts.
- Tax records: VAT and corporate tax registration certificates, the returns filed, and access to EmaraTax, the FTA's online portal.
- Company documents: trade licence, memorandum of association and any previous accounts or trial balance (the list of every account and its balance).
- Fixed assets and stock: purchase invoices for equipment and vehicles, and any stock counts.
Gaps are normal. Suppliers and customers can send statements or copies, banks can reissue statements, and the bank line often shows what a missing invoice was for. Where a document cannot be found, it should be flagged rather than estimated.
Setting the starting point
Three decisions shape the plan:
- The last reliable balance. This is the last date at which the books were complete and reconciled, often the last audited or filed year. The rebuild starts there, or at incorporation.
- The next deadline. Usually a VAT return, so the periods that feed it come first.
- The returns already filed. If they were prepared from incomplete records, the rebuilt books will show whether they were right. Errors are corrected through a voluntary disclosure, which costs far less than an error the FTA finds first.
If the backlog reflects a finance team without the capacity for the routine close, our bookkeeping cost calculator puts a figure on the hours that work absorbs in-house.
How ebs can help
Our backlog and catch-up accounting service rebuilds the books from incorporation or from the point they fell behind, in the software already in use, and includes VAT and corporate tax catch-up filing. The timetable depends on how many months are missing and how complete the documents are. Start with the bookkeeping health check, or contact us: the first consultation is free.
This article is general information as at 2 October 2026, not advice on your specific circumstances. Rules change; check the current position before acting.