Do I need to file Corporate Tax returns while CT deregistration is under process?

Yes. If your CT return filing deadline (9 months after FY end) falls while your deregistration application is still pending and not pre-approved, you must file the return on time. Non-filing attracts a penalty of AED 500 per month of delay.

What is the penalty for not filing CT returns during deregistration?

AED 500 per month for each month or part of a month the return is late. For a return that is 6 months late, that's AED 3,000 in avoidable penalties — plus any unpaid tax accrues interest at 14% per annum.

When is the CT return filing deadline?

Within 9 months of the end of the relevant financial year. For a December 2025 year-end, the CT return is due by 30 September 2026. This deadline applies regardless of whether a deregistration application is pending.

Can the FTA approve my CT deregistration before the filing deadline?

Yes — if the FTA processes and pre-approves your deregistration before the 9-month deadline, you file a final CT return as part of the deregistration process and no separate annual filing is needed. The risk is when the application takes longer than expected and the deadline passes while it's still under review.

Should I file the CT return even if the company has zero income?

Yes. A nil CT return (zero taxable income) must still be filed by the deadline. The penalty is for non-filing, not for non-payment. Filing a nil return is free and avoids AED 500/month in penalties.

✍️ Fastlane Tax Team

📅 March 2026

⏱ 7 min read

📍 Dubai, UAE

Do You Need to File Corporate Tax Returns While Deregistration Is Under Process?

You've applied for Corporate Tax deregistration on EmaraTax. The company is winding down. Your FY 2025 ended on 31 December, and the CT return deadline is 30 September 2026 — but your deregistration application is still "Under Review." Do you still need to file? The answer is yes — and the penalty for not filing is AED 500 per month of delay.

In This Guide

The Rule — File If the Deadline Falls Before Pre-Approval
The 9-Month Deadline Explained
What Changes After Pre-Approval?
2 Worked Examples
Penalties for Non-Filing During Deregistration
Best Practice — The Safe Approach
FAQ

1. The Rule — File If the Deadline Falls Before Pre-Approval

⚠️ Critical Rule

If your CT return filing deadline (9 months after FY end) arrives while your deregistration application is pending and not yet pre-approved, you must file the Corporate Tax return on time.

The fact that you've applied for deregistration does not suspend, extend, or waive the filing deadline. Late filing penalty: AED 500 per month (or part of a month) of delay.

This catches many businesses off guard. They assume the deregistration application puts everything on hold — it doesn't. The FTA treats the deregistration application and the annual filing obligation as two separate processes. One does not pause the other.

Your CT registration is active until the FTA deactivates it. While it's active, all annual filing obligations apply — including the return for the most recent completed financial year.

2. The 9-Month Deadline Explained

Under UAE Corporate Tax law (Federal Decree-Law No. 47/2022), every registered taxable person must file a CT return within 9 months of the end of the relevant financial year. The return and payment are due on the same date.

Financial Year End	CT Return Deadline	Applies Even During Deregistration?
31 December 2024	30 September 2025	Yes — if not pre-approved before this date
31 December 2025	30 September 2026	Yes — if not pre-approved before this date
31 March 2025	31 December 2025	Yes — if not pre-approved before this date
30 June 2025	31 March 2026	Yes — if not pre-approved before this date

The deadline is absolute. Whether you owe tax or not, whether the company is dormant or operational, whether the deregistration is 90% processed — if the 9-month window closes and no return has been filed, the AED 500/month penalty kicks in automatically.

3. What Changes After Pre-Approval?

The timeline shifts once the FTA pre-approves your deregistration:

Stage	What Happens	CT Filing Obligation
Application submitted	Under review on EmaraTax.	File all returns by their 9-month deadlines
Pre-approved	FTA assigns an effective deregistration date.	File a final CT return covering last tax period
Deregistered	Final return filed, tax paid, TRN deactivated.	No further filing required

If the FTA pre-approves your deregistration before the 9-month filing deadline, you file a final CT return as part of the deregistration process and don't need a separate annual return. The risk is when the application drags on and the deadline passes while you're still waiting.

💡 The Safe Approach

Don't gamble on whether the FTA will pre-approve before the deadline. If the 9-month deadline is approaching and you haven't received pre-approval, file the CT return. It's far cheaper to file a return you might not have needed than to pay AED 500/month in penalties because you assumed pre-approval was coming.

4. Two Worked Examples

Example 1: Deregistration Approved Before Deadline — No Issue

Scenario: A DMCC company's FY ends 31 December 2025. The company ceases operations in January 2026 and applies for CT deregistration in February 2026. The FTA pre-approves the deregistration in June 2026 — well before the 30 September 2026 filing deadline.

CT return deadline: 30 September 2026.

Pre-approval received: June 2026.

✅ Result: The company files a final CT return as part of the deregistration process (covering 1 January – cessation date). No separate FY 2025 annual return is needed because the deregistration was pre-approved before the deadline. No penalty.

Example 2: Deregistration Still Pending at Deadline — Must File

Scenario: An IFZA company's FY ends 31 December 2025. The company applies for CT deregistration in March 2026. The FTA requests additional information in May. The company responds in June. By September 2026, the application is still under review — no pre-approval yet.

CT return deadline: 30 September 2026.

Pre-approval received: Not yet.

❌ Must file: The company must file the FY 2025 CT return by 30 September 2026 — even though the deregistration is under process. Failing to file will trigger a penalty of AED 500/month starting 1 October 2026. If the deregistration is approved in November, the company still owes the late filing penalty for October.

The smart move: File the FY 2025 CT return by September. If the deregistration is later approved and the return wasn't needed, there's no harm — the FTA simply processes it alongside the deregistration. If the deregistration is delayed further, you've avoided months of penalties.

Need Help Filing CT During Deregistration?

Fastlane handles both CT deregistration and CT return filing simultaneously — so you never miss a deadline. CT filing from AED 249. Deregistration from AED 399.

WhatsApp Us — CT Filing + Deregistration

5. Penalties for Non-Filing During Deregistration

Violation	Penalty	Notes
Late filing of CT return	AED 500/month	Per month or part-month. Starts the day after the 9-month deadline.
Late payment of CT due	14% per annum	Daily accrual from the day after the payment deadline (same as filing deadline).
Late CT registration (if applicable)	AED 10,000	One-time penalty if the company was late registering for CT in the first place.

Cost of waiting: A CT return that is 6 months late costs AED 3,000 in filing penalties alone (6 × AED 500) — plus any tax owed accrues 14% annual interest. Filing the return on time — even a nil return for a dormant company — costs AED 249 with Fastlane. The economics are obvious.

6. Best Practice — The Safe Approach

✅ Fastlane's Recommendation

Always file the CT return by the 9-month deadline if your deregistration has not been pre-approved. Don't assume the FTA will process it in time. The cost of filing an "unnecessary" return is minimal. The cost of a late filing penalty compounds every month.

Specifically:

1. Apply for CT deregistration as soon as your business ceases operations.

2. In parallel, prepare the CT return for the most recent completed FY.

3. If the FTA pre-approves before the 9-month deadline — great, file the final return as part of the deregistration process.

4. If the deadline arrives and no pre-approval — file the annual CT return. Don't wait.

5. Also ensure all VAT returns are filed in parallel — VAT and CT deregistration run on different tracks but both require current filing.

FAQ — CT Filing During Deregistration

Yes. If the 9-month filing deadline arrives before the FTA pre-approves your deregistration, you must file the CT return on time. Non-filing attracts AED 500/month in penalties.

Within 9 months of the end of the financial year. For a December 2025 year-end, the deadline is 30 September 2026. For a March 2025 year-end, the deadline is 31 December 2025. This applies regardless of deregistration status.

Yes. A nil CT return must be filed even if taxable income is zero. The penalty is for non-filing, not non-payment. Filing a nil return avoids AED 500/month in penalties. Fastlane files CT returns from AED 249 — including nil returns.

AED 500 per month (or part of a month) of delay, starting the day after the 9-month deadline. A return that is 6 months late costs AED 3,000 in filing penalties. Any tax due also accrues 14% annual interest from the original deadline.

Yes — if the FTA processes quickly. In that case, you file a final CT return as part of the deregistration and no separate annual return is needed. But you cannot rely on this — FTA processing times vary, and additional information requests can add months.

Yes. CT and VAT deregistration are separate EmaraTax applications. Both have independent filing obligations — quarterly for VAT, annual for CT. Both must be kept current to avoid penalties. Fastlane handles both simultaneously as a single engagement.

IFRS-compliant financial statements (income statement and balance sheet) for the relevant FY, tax computation, and any election forms (e.g., Small Business Relief). Fastlane prepares financial statements from AED 999 and CT return filing from AED 249.

Related Fastlane Services

CT Deregistration

From AED 399 →

CT Filing

From AED 249 →

CT Registration

From AED 199 →

VAT Deregistration

Complete service →

VAT Filing

From AED 149/quarter →

Accounting Services

From AED 499/month →

Liquidation Audit

From AED 1,499 →

Payroll Services

WPS compliant →

AML Compliance

goAML registration →

E-Invoicing

PINT AE ready →

💼

Reviewed by Fastlane Corporate Tax Compliance Team

This article has been reviewed by our FTA-registered tax agents (TRN: 104218042400003) who have processed hundreds of CT deregistration applications. All penalty amounts, filing deadlines, and FTA procedures verified as of March 2026.