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This article applies to:

  • Product: ONESOURCE Determination

Determination Anywhere 2026.05 third patch release notes

Please review this release note in conjunction with the Determination Enterprise Cloud release notes, which outline key updates to the core application. These include enhancements to the tax engine logic, regulatory compliance improvements, UI feature upgrades, and may also highlight defect resolutions and known issues – all of which directly impact the tax engine's functionality within Determination Anywhere (DA).
Please also refer to the statement in the main release note regarding how security vulnerabilities in the DA client‑side application are addressed.

Release highlights

This release resolves a tax engine logic issue. It also adds DA client backward compatibility support, improving compatibility with future tax content updates and helping ensure a smooth upgrade experience.

Fixes

The following topics outline issues identified that have been resolved in this release.
Tax Engine IS_CREDIT Issue (5804194)
A critical issue identified following the initial 2026.05 release caused credit invoices and credit memos to experience unintended sign reversals in gross amounts and tax calculations. This release resolves the issue to ensure accurate processing of credit transactions. For additional details, please refer to the Determination Enterprise Cloud release notes.
DA Client Backward Compatibility Support (5803914, 5804097)
Customers operating on a supported DA version that is one release behind the upcoming 2026.06 release will be able to take advantage of selected upcoming tax content enhancements without requiring manual configuration, synchronization changes, or database updates.
This update introduces backward compatibility between the DA client and Determination tax content, helping ensure seamless adoption of future content updates. DA environments will be prepared to support upcoming content capabilities, including enhancements related to Global Rules and Leasing transactions.
By maintaining compatibility between the DA client and Determination tax content, customers can continue to receive supported tax content updates seamlessly while ensuring accurate and consistent tax calculation results.

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