Release Notes for 2025

Here are the enhancements and resolutions we released for the service in 2025.

December 22

Version 2025.24

Updated the invoice numbering logic for India to ensure compliance with local requirements and maintain clear, consistent invoice references.

Version 2025.22

Version 2025.23

Fixed an issue where some Greek VAT numbers validated through the Bulk tax ID checker were returning errors from the EU VIES service.

Added support to Vertex Validator for validating five and six-digit Tax IDs for Iceland, in addition to the existing ten-digit format. For more information, see Validation Type per Country.
Added support to Vertex Validator for validating nine-digit VAT IDs for the Philippines, in addition to the existing 12-15 digit format. For more information, see Validation Type per Country.
Added support for negative amounts for all regions and countries except Taiwan.
Thailand plans to extend the 7% VAT rate through September 30, 2026. For more information, see Tax Rate Changes.
Added support for displaying custom fields in the Transaction List UI and logs. Vertex can also include these custom fields in your reports upon request. For more information, see Custom Fields.

The service now passes the business-to-business (B2B) flag to Vertex O Series On-Demand when validating a Tax ID.
Added Tax ID validation for domestic tax calculations.
Fixed an issue where searching for the external_unique_id returned an error.
Fixed an issue where custom email addresses sometimes displayed incorrectly in the From Address field.
Fixed an issue where large invoice templates occasionally caused processing queue errors.
Fixed an issue where a blank Additional Tax Number field could cause failures in certain cases.
Fixed an issue where credit notes sometimes triggered exceptions.
Added support for sending the Ninea Cofi tax number for both business-to-business (B2B) and business-to-consumer (B2C) transactions in Senegal.

Added support for digital goods in Senegal. For more information, see Supported Countries and Regions.
Added support for sending Tax IDs in the seller_tax_number field per country to enable multiple registrations.
Added support for issuing separate invoice number sequences for different product classes, such as digital or physical goods.
Updated Tax ID validation so IDs prefixed with XI are validated by VIES instead of HMRC.
Added the country code prefix to Tax IDs in API responses, even if the request did not include a prefix.
Increased the external_unique_id field limit to 39 characters.
Updated the standard VAT rate for Estonia from 22% to 24%, effective July 1, 2025.
Added a Cancel button. For more information, see List UI.
Added a flag for the United States Minor Outlying Islands (UM).
Updated the standard VAT rate for Vietnam from 5% to 8%, effective July 1, 2025.
Updated the dashboard logo.
Added support for tax exemptions at the line level.

Updated the buyer_email field requirements for Taiwan to include a minimum length of one and a maximum length of 64. For more information, see Mandatory and Required Fields.
Added support for physical goods. For more information, see Physical Goods.
Added support for sending custom Tax IDs in requests. For more information, see Custom Tax ID Type.
Added support for the Philippines.
Vertex can now set minimum and maximum lengths for required fields.

Added support for suffixes in Swiss Tax IDs. For more information, see Switzerland Configuration.

Updated Swiss Tax ID validation to require the suffix MWST, TVA, or IVA. IDs without these suffixes are now treated as invalid according to the Switzerland configuration settings.
Updated refund processing for Canada and Taiwan to use the original sale exchange rate.
Updated Canadian GST Tax ID validation to require a suffix of two letters and four numbers.

Added support for Uganda and Morocco. For more information, see Supported Countries and Regions.
Updated the Harmonized Sales Tax (HST) rate for Nova Scotia from 15% to 14%.
Updated the tax base calculation for Indonesia. For more information, see Indonesia.

Added a manual:true field to reports to indicate whether a report was run manually in the UI or generated by a schedule. For more information, see Automatic Scheduling in Detailed Settlement Report.
Improved reporting performance. Performance may vary depending on implementation and environment.
Added email notifications for Vertex VAT Compliance Service.
Added tax to credit note headers for Oman.
Removed decimal places for the following currencies:
- Vietnamese Dong (VND)
- South Korean Won (KRW)
- Japanese Yen (JPY)
- Chilean Peso (CLP)
- Indonesian Rupiah (IDR)

Added support for Unique Identification Number (UIN) validation for Egypt. For more information, see Egypt Configuration.
Added support for the Canary Islands as a region for Vertex for e-Commerce, Vertex Validator, and Vertex Invoice IQ. This region is not supported for Taxamo Assure or Vertex VAT Compliance Service. For more information, see Supported Countries and Regions.
Added standalone UIs for Vertex VAT Compliance Service users.
Added support in the Vertex VAT Compliance Service for the following regions and use cases:
- Japan
- Indonesia
- Advance payments in the UK
Added configuration settings for business-to-business (B2B) validation caching.
Added the word "Tax" to credit note headers for Oman.
Added support for Informative Invoices for standalone Vertex Invoice IQ users, allowing tax amounts to pass through without calculation. For more information, see Informative Invoices.
Added support for Uruguay in the Vertex VAT Compliance Service.