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Exercise 2025

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Fiscal Year 2025 (from January 1 to November 26, 2025)

Withholding Tax Calculation Service (Applicable from January 1 to November 26, 2025)

Module for calculating Withholdings

Table of applicable withholding rates (2025)(321 KB - pdf)

Technical Information

Algorithm for calculating the withholding Personal Income Tax rate for personal work Personal Income Tax 2025 (Applicable from January 1 to November 26, 2025)(1.03 MB - pdf)

Specifications for the computer development of the algorithm for calculating personal income tax withholdings for 2025

Algorithm for calculating the withholding tax rate for personal work income Personal Income Tax 2025 (Applicable from November 27 , 2025)(1.11 MB - pdf)

Specifications for the computer development of the algorithm for calculating personal income tax withholdings for 2025

W3C Schema for the treatment of XML files in the 2025 Withholding Calculation Service (31.7 KB - Executable)
Additional documentation W3C schema (examples and graphical schema) (157 KB - zip )
Documentation on the use of the Withholding Tax Calculation Module as a service for 2025(622 KB - pdf)