Skip to main content

Exercise 2023

Skip information index

Fiscal year 2023 (from January 1 to 31, 2023)

Withholding Calculation Service (from January 1 to 31, 2023)

Module for calculating Withholdings

Single Module v 1.11 (973 KB - zip )
Information table of applicable withholding rates (2023) (32 KB - pdf )

Technical Information

Algorithm for calculating the IRPF withholding rate for personal work income IRPF 2023 (applicable to work income paid in January 2023) (222 KB - pdf )

Specifications for the computer development of the algorithm for calculating personal income tax withholdings for 2023

W3C Schema for the treatment of XML files in the Tax Calculation Service 2023 (32.3 KB - Executable)
Additional W3C Schema Documentation (Examples and Graphical Schema) (165 KB - zip )
Documentation on the use of the Withholding Calculation Module as a service for 2023 (40.7 KB - pdf )

The objective of this product is to facilitate, as a web service, the calculation of Withholdings for the year 2023, based on a file of Personal Income Tax withholdings, which complies with the scheme defined and published in the Withholdings Portal.