The form is returned to the IMSS "Salud en el Trabajo" department, where a specialized doctor decides if the event is officially a work risk. Common Confusion: ST-1 vs. ST-7
The Formato ST-1 IMSS is a critical document used in Mexico to report and pay social security contributions to the IMSS. Accurate and timely submission of this form is essential to ensure compliance with Mexican law, provide employees with access to social security benefits, and maintain a positive employer reputation.