Explore the key differences between TSP inheritance and inherited IRA rules for non-spouse beneficiaries. Understand your options for managing retirement accounts and IRAs. Understanding Inherited IRA Rules and TSP Beneficiaries: Estate Planning for Federal Employees When federal employees, retirees, and family members are developing an estate plan, understanding the difference between types of beneficiaries and beneficiary accounts both in and outside of the Thrift Savings Plan (TSP) can be key in ensuring a proper estate plan is in place. This