International Invoice Requirements Guide

International Invoicing Guide

Billing clients in other countries introduces tax complexity, currency considerations, and legal requirements that vary by jurisdiction.

VAT and Tax Requirements by Region

Region	Tax	Rate	Invoice Requirement
EU	VAT	17-27%	VAT number, reverse charge for B2B
UK	VAT	20%	VAT number if registered
Canada	GST/HST	5-15%	GST number
Australia	GST	10%	ABN required
Japan	Consumption Tax	10%	Invoice registration number
USA	Sales Tax	0-10%	Varies by state, often N/A for services

EU Reverse Charge Mechanism

When invoicing EU businesses from outside the EU (or between EU countries):

Invoice #INT-2024-005
From: Freelancer (USA)
To: Client GmbH (Germany)

Line Items:
  Software Development Services              $8,000.00

  Subtotal:  $8,000.00
  VAT (0%):  $0.00 (Reverse Charge applies)
  Total:     $8,000.00

  Note: VAT reverse charge applies per EU Directive
  2006/112/EC. The recipient is liable for VAT.
  Client VAT ID: DE123456789

Currency Handling

Options for international invoicing:
1. Bill in YOUR currency: Simpler for you, client bears FX risk
2. Bill in CLIENT'S currency: Better for client, you bear FX risk
3. Bill in USD/EUR: Common neutral currency

If billing in foreign currency, include:
  "Exchange rate as of invoice date: 1 USD = 0.92 EUR"

Essential International Invoice Fields

1. Your tax ID (EIN, VAT number, ABN, etc.)
2. Client's tax ID (for B2B in many jurisdictions)
3. Country of both parties
4. Currency clearly stated
5. Tax treatment explanation (exempt, reverse charge, etc.)
6. Bank details including SWIFT/BIC and IBAN for international wire transfers