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The short answer
To claim credit abroad for Nigerian tax you need proof of three things: the income, the Nigerian tax charged on that same income, and that it was actually paid. In practice that means withholding tax receipts from the payer, Nigerian assessments and payment receipts, and ideally a tax clearance certificate that lists tax paid by year. The UK, US and Canada all limit the credit to the lower of the Nigerian tax and their own tax on that income.
Why documents decide the claim
Foreign tax credit relief exists so the same income is not taxed twice in full. But every tax office limits it, and every one can ask for evidence. A bank statement showing ₦900,000 arriving instead of ₦1,000,000 does not prove that ₦100,000 went to the Nigerian tax authority. The documents below do.
The Nigerian documents
| Document | Who issues it | What it proves |
|---|---|---|
| Withholding tax receipt | The payer (company tenant, bank, company paying dividends) | Gross amount, tax deducted, month, both Tax IDs. Under the 2024 regulations the payer must issue it. |
| Assessment notice | NRS or the state revenue service | Tax charged on your return for the year |
| Payment receipt | The tax authority's portal or designated bank | Tax actually paid, date and amount |
| Tax clearance certificate | NRS or state service | For each of the last three years: chargeable income, tax payable, tax paid, outstanding (NTAA section 72) |
| Bank or broker tax certificate | Bank, broker, registrar | Interest or dividends with tax withheld |
A TCC is especially useful because section 72 of the Nigeria Tax Administration Act 2025 makes it disclose the tax paid by year, and counts withholding tax suffered as tax paid. See getting a TCC from abroad. Keep receipts in your Tax ID, not a relative's name, or the link to you is lost.
United Kingdom
- HMRC helpsheet HS263: Foreign Tax Credit Relief is the lower of the foreign tax (or the amount the treaty allows) and the UK tax on the same income. Tax above the treaty rate is not creditable; reclaim it from Nigeria.
- Article 22 of the UK–Nigeria agreement allows Nigerian tax paid under Nigerian law and the agreement, whether directly or by deduction, as a credit against UK tax on the same income.
- You may instead deduct the foreign tax from the income, which HS263 says is mainly better when you have no UK tax liability on it.
United States
- The IRS allows a credit (Form 1116) or an itemised deduction for foreign income taxes. Generally only income, war profits and excess profits taxes, or taxes in lieu of them, qualify; the IRS notes that the amount withheld is not necessarily the qualifying amount.
- The credit is limited to US tax multiplied by foreign-source taxable income over total taxable income. Unused credit carries back one year and forward ten.
- If your only foreign income is passive and the foreign taxes are $300 or less ($600 joint) and reported on a payee statement, you may be able to claim without Form 1116.
Canada
- Report the gross foreign income; do not subtract the foreign tax (CRA line 11500 guidance, which uses the same approach for other foreign income).
- Claim the credit on line 40500. CRA cannot refund foreign tax; an over-deduction must be recovered from Nigeria.
Worked example
Example only. Segun in London receives ₦12,000,000 rent from a company that withholds ₦1,200,000. He also pays a further ₦300,000 on his Nigerian return. At an illustrative £1 = ₦2,000, the Nigerian tax is £750 (₦1,500,000 ÷ 2,000) on £6,000 of rent. If his UK tax on that £6,000 is £2,400 (40%), his credit is £750, the lower figure, and he pays £1,650 in the UK. His evidence: the tenant's WHT receipts, the NRS assessment, the payment receipt for ₦300,000 and his rate note. See WHT on rent.
What to check first
- Every Nigerian amount has a receipt in your name and Tax ID.
- The tax was an income tax on that same income.
- It was paid, not just assessed.
- You have the treaty rate and the Nigerian domestic rate side by side.
- You noted the exchange rate used. See records to keep.
Documents that usually do not work
- A bank credit on its own. It shows less money arrived, not that tax was paid or on what.
- A property manager's note saying "tax deducted". Ask for the tenant's official receipt instead.
- Receipts in a relative's name or without your Tax ID. The tax authority abroad needs to see that you bore the tax.
- An assessment with no payment receipt. Assessed is not paid; credit generally follows tax actually paid.
- Levies and charges that are not income tax. Land Use Charge, stamp duty or a development levy are not taxes on your income, so they do not support an income tax credit, although some may be deductible as expenses under local rules.
If the Nigerian tax looks wrong
If Nigeria has charged more than you think is due, object first rather than claiming the higher figure abroad. Section 41 of the NTAA requires a written objection within 30 days of service of the assessment, stating the disputed items; the authority has 90 days to respond. A foreign tax office will usually only credit tax that was properly due under Nigerian law and the treaty, so a refund from Nigeria is the right route for any excess.
Where Pryme fits
When a tax office abroad questions a Nigerian document, a verifiable copy helps. Pryme customers can generate verifiable receipts and statements through VerifyDoc.ai, which anyone can check as genuine and unaltered; see verifiable receipts. Tax payments made from a Pryme multicurrency account also leave a dated transfer record.
Questions people ask
What proof do I need to claim credit for Nigerian tax?
Withholding tax receipts from the payer, the Nigerian assessment and payment receipt, and ideally a tax clearance certificate showing tax paid by year.
Can I claim more credit than my own country's tax?
No. The UK, US and Canada limit the credit to their own tax on the same income.
Is there a US foreign tax credit for Nigerian tax without a treaty?
Yes. Foreign income taxes can be credited under US domestic rules, on Form 1116 or in some small cases without it.
What if Nigeria withheld more than the treaty rate?
In the UK the excess is not creditable; reclaim it from the Nigerian authority.
Sources
- HMRC HS263 Relief for foreign tax paid (2026) · accessed Oct 2026
- The Double Taxation Relief (Taxes on Income) (Nigeria) Order 1987, Schedule · accessed Oct 2026
- IRS: Foreign tax credit – how to figure the credit · accessed Oct 2026
- Nigeria Tax Administration Act 2025 (gazette copy) · accessed Oct 2026
- Mondaq: An overview of the Nigerian withholding tax regulations of 2024 · accessed Oct 2026
- CRA: Line 11500 – Other pensions and superannuation · accessed Oct 2026
This article is general information, not financial, legal or tax advice. Products described are provided under the terms on this site and are subject to regulation and eligibility.