https://docs.whmcs.com/9-1/tags/taxes/Recent content in taxes onHugo -- gohugo.iohttps://docs.whmcs.com/9-1/troubleshooting/troubleshoot-payments/troubleshooting-payments/Mon, 01 Jan 0001 00:00:00 +0000https://docs.whmcs.com/9-1/troubleshooting/troubleshoot-payments/troubleshooting-payments/Serves as the payments troubleshooting index, listing general first steps (Gateway Log review, cron status, callback configuration) and linking to article groups for currencies/exchange rates, taxes, transactions, and gateway-specific issues covering Authorize.net, 2CheckOut, eWay, GoCardless, iDeal via Mollie, PayFlow Pro, PayPal, Quantum Vault, Skrill, Stripe, Stripe ACH, Stripe Dynamic Payments, and WorldPay.https://docs.whmcs.com/9-1/payments/tax-configuration/Mon, 01 Jan 0001 00:00:00 +0000https://docs.whmcs.com/9-1/payments/tax-configuration/Details General Settings fields like Tax/VAT ID Number and Inclusive/Exclusive Tax, VAT Settings fields including VAT Mode, VAT Number Validation, and UK VAT Validation Mode, steps to add or update tax rules, and Advanced Settings for Taxed Items and Calculation Mode.https://docs.whmcs.com/9-1/billing-and-invoicing/invoicing-tutorials/customize-the-invoice-number-format/Mon, 01 Jan 0001 00:00:00 +0000https://docs.whmcs.com/9-1/billing-and-invoicing/invoicing-tutorials/customize-the-invoice-number-format/Steps through enabling Tax Support and Custom Invoice Numbering in Tax Configuration, setting the Custom Invoice Numbering Format using the NUMBER, YEAR, MONTH, and DAY tags, and specifying the Next Invoice Number, with example format outputs.https://docs.whmcs.com/9-1/troubleshooting/troubleshoot-payments/invalid-vat-format-errors/Mon, 01 Jan 0001 00:00:00 +0000https://docs.whmcs.com/9-1/troubleshooting/troubleshoot-payments/invalid-vat-format-errors/Explains the checkout error Invalid VAT number format for a given country, triggered when VAT Number Validation is set to Validate Format During Checkout or Validate at Checkout and with Relevant Authority and the customer’s VAT number does not match the format for one of the listed EU/UK countries, with a fix to confirm the entered VAT number and country.https://docs.whmcs.com/9-1/troubleshooting/troubleshoot-payments/invalid-vat-number-errors/Mon, 01 Jan 0001 00:00:00 +0000https://docs.whmcs.com/9-1/troubleshooting/troubleshoot-payments/invalid-vat-number-errors/Addresses the checkout error The supplied VAT number is not valid for UK VAT, caused by an invalid UK VAT number or a Deny All setting for UK VAT Validation Mode under Configuration > System Settings > Tax Configuration, and directs admins to validate the number and review the tax configuration.https://docs.whmcs.com/9-1/troubleshooting/troubleshoot-invoices/invoices-are-missing-tax/Mon, 01 Jan 0001 00:00:00 +0000https://docs.whmcs.com/9-1/troubleshooting/troubleshoot-invoices/invoices-are-missing-tax/Walks through diagnosing invoices missing configured taxes by checking Apply Tax options and product tax settings in Tax Configuration and Products/Services, and verifying the client’s Apply Tax setting and exact-match state/country values against tax rules, noting fixes only apply to future invoices.https://docs.whmcs.com/9-1/payments/tax-tutorials/change-invoice-tax-rates/Mon, 01 Jan 0001 00:00:00 +0000https://docs.whmcs.com/9-1/payments/tax-tutorials/change-invoice-tax-rates/Tax rate changes are made in Tax Configuration by deleting the old tax rule and recreating it with the new rate, or in bulk via an UPDATE tbltax SQL query, with an optional UPDATE tblinvoices query for unpaid invoices due after the change date.https://docs.whmcs.com/9-1/payments/tax-tutorials/configure-gst-for-india/Mon, 01 Jan 0001 00:00:00 +0000https://docs.whmcs.com/9-1/payments/tax-tutorials/configure-gst-for-india/GST setup covers enabling Tax Support and Customer Tax IDs in Tax Configuration, adding GST rules under Quick Add, and relabeling Tax ID to GSTIN via the Translation Editor addon on WHMCS Cloud or a lang override file on self-hosted installs.https://docs.whmcs.com/9-1/payments/tax-tutorials/configure-vat-for-europe/Mon, 01 Jan 0001 00:00:00 +0000https://docs.whmcs.com/9-1/payments/tax-tutorials/configure-vat-for-europe/EU VAT setup covers enabling Tax Support and Customer Tax IDs, turning on VAT Mode, naming the VAT label, and choosing a VAT Number Validation option: no validation, format-only, authority-only, or both checkout format and authority validation.https://docs.whmcs.com/9-1/payments/tax-tutorials/configure-vat-for-the-uk/Mon, 01 Jan 0001 00:00:00 +0000https://docs.whmcs.com/9-1/payments/tax-tutorials/configure-vat-for-the-uk/UK VAT setup covers enabling Tax Support, Customer Tax IDs/VAT Numbers, and VAT Mode, choosing a VAT Number Validation method, and selecting a UK VAT Validation Mode among Remote Verification, Accept All VAT Numbers, Accept All VAT Numbers and Create a To Do Item, or Deny All.https://docs.whmcs.com/9-1/products/product-tutorials/enable-taxes-for-a-product/Mon, 01 Jan 0001 00:00:00 +0000https://docs.whmcs.com/9-1/products/product-tutorials/enable-taxes-for-a-product/Gives the steps to edit a product at Products/Services and check the Apply Tax setting so tax rates configured under Tax Configuration apply to that product.https://docs.whmcs.com/9-1/payments/tax-tutorials/update-tax-rates/Mon, 01 Jan 0001 00:00:00 +0000https://docs.whmcs.com/9-1/payments/tax-tutorials/update-tax-rates/Tax rate updates happen on the Tax Rules tab by deleting and recreating a rule with the new rate, or via SQL (UPDATE tbltax, UPDATE tblinvoices) on self-hosted installs, plus notes on rebilling fixed-amount PayPal or 2Checkout subscriptions after a change.