Iraq Company Compliance 2026: Deadlines and Audits

Most jurisdictions in this cluster let a small company file unaudited accounts. Iraq does not work that way.

Audited financial statements, prepared under the Iraqi Unified Accounting System, are the core component of the corporate income tax filing. The audit is not a threshold obligation that arrives when you grow. It is how the return is built, from the first year, at any size.

That single fact sets the shape of the compliance year, and it is the main reason the accountant is a fixed cost of an Iraqi company rather than a variable one.

Iraq Compliance: the Short Answer

• Tax year: the calendar year.
• Corporate income tax return: due 31 May, five months after a calendar year end.
• Audited financial statements under the Iraqi Unified Accounting System underpin the filing.
• Withheld amounts: remitted to the General Commission for Taxes by the 15th of the following month.
• Books: kept under the Iraqi Unified Accounting System, not IFRS by default.

The audit is the obligation that shapes everything else. Choose the accountant before you need the return, not after.

The filing calendar

One honest note on the two annual dates. Practitioner sources describe a corporate income tax return due within five months of the fiscal year end, which gives 31 May for a calendar year, and separately an annual filing due by 31 March. They appear to be different filings. Which of them applies to your entity is a question for an Iraqi accountant, and it is worth asking rather than assuming, because both dates are early in the year and missing either is avoidable.

The audit, and what "audited" means here

Not an IFRS audit by a Big Four firm unless you want one. The framework is domestic.

• Books are kept under the Iraqi Unified Accounting System, the local unified standard, rather than under IFRS.
• The financial statements are audited by a licensed auditor.
• The Council of Ministers accepts accounts approved by a licensed auditor and certified by the relevant professional council, provided they are stamped and signed by both the auditor and the taxpayer.
• Those audited statements are the substance of the tax filing. The return is not a separate self-contained exercise.

1. 1Books under the Iraqi systemThe local unified accounting standard governs the ledgers, not IFRS by default. That shapes who can keep them.
2. 2Audited by a licensed auditorCertified by the relevant professional council, stamped and signed by both the auditor and the taxpayer.
3. 3The audit is the filingAudited statements form the core of the corporate income tax return rather than sitting alongside it.

Self-assessment, and what happens when it is refused

Iraq operates self-assessment, with a significant qualifier.

If the self-assessment is not accepted by the tax authorities, tax is assessed on the taxpayer's income based on the information available to the authority. That is a meaningfully different position from a system where a challenge starts a dialogue. Here the authority can substitute its own assessment.

Two practical consequences:

• Documentation is the defence. An assessment built on the authority's information is answered with records, not arguments.
• The deemed profit approach interacts with this. Since the General Commission for Taxes charges the higher of deemed tax on revenue or the statutory rate on profit, the return has to survive both calculations. Detail in Iraq corporate tax.

Withholding: the monthly obligation

The one that runs continuously, and the one people discover late.

Amounts withheld must be remitted to the Direct Deductions Department of the General Commission for Taxes by the 15th day of the month following the deduction. It is monthly, it is separate from the annual return, and it applies from the first payment that carries a withholding.

Alongside it sits the contract retention: a contractor withholds a share of the total contract value and pays it to the tax office, released when the subcontractor produces a tax clearance letter for that contract. The commonly cited ceiling is 10%, the published range runs from 1.8%, and the rate applied in practice is typically 3% to 5%. For a subcontractor, obtaining clearance is a cash flow task rather than an administrative one.

The other registrations

Between roughly day 90 and the end of the first year come the obligations that catch new entities: onboarding local hires against any localisation commitments, the first quarterly filings, and preparation for the first annual accounts cycle. The registration sequence itself is in how to register a company in Iraq.

Penalties, and an asymmetry worth knowing

Late registration, and late or inaccurate returns, attract administrative fines. Delayed filings and unsubstantiated claims can trigger additional assessments on top.

There is also a relief mechanism, and it is not applied evenly:

If you sit in the oil and gas perimeter, the downside of a late filing is materially higher than for anyone else, on top of the 35% rate that already applies to that sector.

1. 1The books are kept locallyUnder the Iraqi Unified Accounting System rather than IFRS by default, which decides who can keep them.
2. 2The audit produces the returnAudited accounts are the substance of the filing. There is no size below which this stops applying.
3. 3Self-assessment can be refusedIf the General Commission does not accept the declared position, it assesses on its own basis and the audit trail is what you argue from.

Enforcement is tightening

Historically the corporate income tax department has not applied all available penalties, for instance for failing to keep ledgers or for submitting false reports. Practitioners expect that to change, with stricter enforcement of obligations and stricter auditing of financial statements.

The practical reading: an Iraqi entity that has been informally compliant should assume the informal period is ending, and that the ledgers and the audit trail matter more each year.

What tightening enforcement changes in practice:

• Ledgers become evidence. Failure to keep them has been under-penalised historically, and practitioners expect that to end.
• The audit trail carries the argument. A refused self-assessment is answered with documents, not explanations.
• Late filing costs more in oil and gas, where the waiver is capped at half.
• Informal compliance stops working. An entity that has been broadly correct rather than precisely correct is the one exposed.

The bottom line

Iraqi compliance is not heavy in the number of filings. It is demanding in what underpins them.

Audited accounts under the local unified accounting system are the substance of the tax return from year one, self-assessment can be replaced by the authority's own assessment, withholding is remitted monthly by the 15th, and enforcement is getting stricter rather than looser. Budget for a competent Iraqi accountant and auditor as a fixed cost, and treat tax clearance as the operational instrument it is rather than as paperwork.