Your plan is a qualified plan.
Per IRS: "The CSFS, FERS and TSP are considered qualified retirement plans." - pub 721, page 15
Also, Qualified plans include:
- 401(k)s
- 403(b)s (also known as tax-sheltered annuity plans)
- 457 plans for government employees
- Traditional IRAs
- Roth IRAs
- SEP and SIMPLE plans for employees of small businesses
- Pension plans
- Profit-sharing plans
- Stock bonus plans
Non-qualified plans include:
- Life insurance policies (if distribution is full payment)
- Private or purchased commercial annuities
- Military retirement plans
