🧮 🇲🇽 Gross to Net Payroll — Mexico (PYMX) | SAP ECP

Module: PYMX | Molga: 07 | Currency: MXN | Group: Americas

Includes: IMSS (~2% EE) | INFONAVIT (5% ER) | ISR | CFDI Nómina 4.0 | Aguinaldo | PTU | 3 case studies

🧭 Pipeline: Gross SDI (/101) → IMSS EE → ISR → Net (/560)

📌 Configuration Anchors

• IMSS EE: ~2% of SDI (multiple concepts: Enfermedad y Maternidad, Invalidez, Cesantía, etc.)

• IMSS ER: ~18–20% SDI total

• SDI (Salario Diario Integrado): includes all integrable perks

• INFONAVIT: 5% ER on SDI (housing fund)

• ISR: progressive bi-weekly tax per SAT tables

• CFDI Nómina 4.0: every payment = XML stamped by PAC to SAT

• Aguinaldo: 15 days min salary by Dec 20

• PTU: 10% net profit shared by May 31

👥 Case Studies

🏷️ Key WTs: MX01 SDI | /3I1 IMSS EE | /3T1 ISR | /560 Net