VAT Invoice Requirements in Nigeria: What Every Business Must Include

Getting your VAT invoice right isn't just good practice in Nigeria — it's a legal requirement. An invoice missing mandatory fields can result in denied VAT input credits for your buyer, penalties from FIRS, and damaged business relationships.

Mandatory VAT Invoice Fields

Every VAT invoice issued by a Nigerian business must include:

Every VAT invoice issued by a Nigerian business must include:

1. The words "VAT INVOICE" or "TAX INVOICE" prominently displayed
2. Seller's full name and registered business address
3. Seller's TIN (Tax Identification Number)
4. Seller's VAT registration number
5. Buyer's name and address
6. Buyer's TIN (for B2B transactions)
7. Unique invoice number (sequential, no gaps)
8. Date of issue
9. Date of supply (if different from issue date)
10. Description of goods or services provided
11. Quantity and unit price for each item
12. Subtotal (amount before VAT)
13. VAT rate (7.5%) and VAT amount
14. Total amount including VAT
15. Currency (NGN, or foreign currency with exchange rate)

Additional fields under e-invoicing mandate

• Invoice Reference Number (IRN)
• QR code for verification
• Digital timestamp

Common Mistakes to Avoid

Common Mistakes to Avoid includes: Missing or incorrect TIN — always verify against the FIRS portal Wrong VAT rate — the standard rate is 7.

• Missing or incorrect TIN — always verify against the FIRS portal
• Wrong VAT rate — the standard rate is 7.5%, not 5% (the old rate)
• Missing the "VAT INVOICE" label — this is a legal requirement
• Gaps in invoice numbering — raises red flags during audits
• Not separating VAT amount — must be shown as a distinct line item

Use Invoicemonk's invoice generator to create invoices with all these fields pre-configured. For how to create your first VAT invoice step by step, see our how-to guide.