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    Invoice Tax Rules Explained

    Understanding Taxes on Invoices

    Taxes are a critical legal component of any invoice. Failing to include them or calculating them incorrectly can lead to severe penalties.

    General Tax Rules

    • Sales Tax (US): Varies heavily by state and whether you are selling goods vs. services.
    • VAT / GST (International): Commonly added to almost all commercial invoices. Ensure your VAT ID and your customer's VAT ID are clearly printed.
    • Line Item Separation: Always list the subtotal, the exact tax percentage, the calculated tax amount, and the final grand total on separate lines.