What key sanction does Ley Emilia (Ley 20.770) establish for drivers who cause fatal or catastrophic traffic collisions while driving drunk or under the influence of drugs?

1. A simple administrative fine and 30 days community service
2. Mandatory minimum of at least 1 year of actual prison (presidio efectivo) before any alternative sentencing can be considered
3. Automatic suspension of the driver's license for only 6 months
4. Probation with no required prison time if it is a first-time offense