What rules and limits are there for 401(k) retirement plans under ERISA? Is diversification mandated? What about employer and employee contributions?

What is a 401(k) plan?

Can a participant's contribution to a 401(k) plan be invested in employer stock without the participant's consent?

Can a plan require that certain assets be invested in employer securities with no opportunity to change investments?

401(k) Deferral Limit

Related FAQ Topics

Defined Contribution Plan limits on deductions and contributions

Types of Defined Contribution Plans

Employer Stock Questions

Overview of employee benefit plans