Articles by Mehmood Deshmukh
The aguinaldo: how Mexico's mandatory Christmas bonus works in payroll
Every employer in Mexico owes each worker an aguinaldo of at least 15 days of salary, and it has to be paid before 20 December each year (LFT Art. 87). This is not a discretionary bonus or a performance reward. It is a…
IMSS Contributions in Mexico: What the Worker Pays and What the Employer Pays
A Mexican payslip shows a single line for the worker's IMSS deduction, and that single line hides how the social-security bill is actually built. Every contribution to the Instituto Mexicano del Seguro Social (IMSS, the…
How Portuguese Income Tax Is Calculated on a Payslip: IRS From Gross to Withholding
Portuguese income tax, the IRS (Imposto sobre o Rendimento das Pessoas Singulares), is progressive, but the amount an employer withholds each month does not come from applying the progressive brackets directly. The…
How Mexican Income Tax Is Calculated on a Payslip: ISR From Gross to Withholding
Mexican income tax, the ISR (Impuesto Sobre la Renta), is a progressive tax that the employer withholds from each payment and pays to the tax authority (SAT) by the 17th of the following month. On paper the calculation…
How French Income Tax Is Calculated on a Payslip: The Prélèvement à la Source, End to End
French income tax works differently from most payroll deductions: the employer withholds the tax every month but never calculates how much income tax the employee actually owes for the year. Since January 2019, income…
