Essential invoice fields checklist

Your business name and contact information

Client name and billing address

Unique invoice number

Issue date and due date

Description of goods or services

Quantity, rate, and line totals

Subtotal, tax (if applicable), and total amount due

Payment instructions and terms

Your tax ID or business registration number

Client's tax ID (for B2B, especially internationally)

Purchase order number

Late payment policy

Your logo and brand colors

UK/EU: VAT number and VAT breakdown. India: GSTIN and HSN/SAC codes for certain businesses. Australia: ABN. US: EIN optional for sole proprietors but useful.

InvoKit includes tax ID fields for 50+ countries. Always verify local requirements for your business type.