California does not have rules and protections specifically for severance packages, but those final payments cannot break previous contract agreements or violate any state or federal law.
Eligibility for Retiree Health and Life Insurance Benefits Rule of 70: the employee's age plus years of continuous, full-time service equal 70 or more, and the employee is at least age 55, with at least ten years of continuous, full-time service.
Extension of Benefits Under Rule of 70 To be eligible to retire, you must be at least age 55 with 10 years of service or age 65. Years of service for the “Rule of 70” eligibility purposes, means total years of employment from date of hire to date of termination.
Voluntary separation offers on the other hand, are not typically calculated based on years of service, but are rather a multiple of monthly salary (i.e., 5-6 months of salary) to ensure the offer is competitive and attractive regardless of tenure.