Avoid this
No unique invoice numbering scheme.
Invoice Requirements by Country
Use this page to review country-specific invoice requirements. The selected country profile defines the rule checklist and legal references.
Need to create an invoice right away? Open invoice generator or verify tax data with the VAT checker.
Choose country for invoice requirements
Select a country to load the exact invoice requirement checklist and legal references used for that market.
United States (US) invoice details
This profile is US-focused. In the US, invoice layout rules are usually driven by contracts, state/local tax rules, and accounting controls rather than one single federal invoice template.
Seller and customer identification
Business legal name, address, customer name, and billing address. Keep identities clear for tax and audit support.
Invoice number and dates
Unique invoice number, issue date, and service/supply date when different.
Clear line-item detail
Description, quantity, unit price, discounts, and line totals for each item/service.
Tax treatment and totals
Show subtotal, tax charged (if applicable), and total due. State/local rules may require additional tax details.
Payment terms
Due date, accepted payment methods, and remittance instructions.
Recordkeeping support
Retain invoices and supporting documents as part of your business records.
Common mistakes to avoid
These are the mistakes that most often lead to rejected invoices, payment delays, or tax corrections.
Legal references
Important
Informational only, not legal or tax advice. US state/local requirements can differ.