What to Include in an Invoice: The Complete Checklist

An invoice is more than a request for payment — it's a legal document and the last impression you leave on a client. Here's the complete checklist of what every professional invoice should contain.

1. Header & Branding

• The word "Invoice" clearly displayed at the top
• Your business name, logo, and tagline (optional)
• Brand colors that match your other client-facing materials

2. Your Business Details

• Full registered business name
• Address, phone, email, website
• Tax ID — GSTIN (India), VAT number (EU/UK), EIN (US)

3. Client Details

• Client's business name and contact person
• Billing address (and shipping address if different)
• Client's tax ID if required for tax credit

4. Invoice Metadata

• Unique invoice number (e.g., INV-2026-001)
• Issue date
• Due date or payment terms (Net 15, Net 30, etc.)
• Reference: PO number, project code, or contract reference

5. Line Items

For each product or service:

• Clear description
• Quantity / hours
• Unit rate
• Line total
• HSN/SAC code (India) or product code if applicable

6. Totals

• Subtotal
• Discount (if any)
• Tax breakdown (CGST + SGST, IGST, VAT, sales tax)
• Grand total in bold

7. Payment Information

• Accepted payment methods (UPI, bank transfer, Stripe, PayPal)
• Bank account details or UPI ID
• Late-payment terms (e.g., "1.5% per month after due date")

8. Notes & Thank You

End with a personal note: "Thank you for your business — we appreciate your trust." A small touch like this dramatically improves on-time payment rates.

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Use our free InvoBill to fill in this checklist automatically with live preview and a one-click PDF download.