TSP Leaving Government: Your Complete 2026 Separation Guide

Last Updated: March 6, 2026 Reading Time: 12 min

A $100,000 TSP cash-out at age 48 could net you $64,000 after taxes and penalties. What you do with your TSP in the first 60 days after leaving federal service can change your retirement income by tens of thousands of dollars. This guide covers your four options, the most common mistakes, and the 2026-specific rules that affect your decision.

Key Takeaways

• You have four TSP options after separation: stay in TSP, roll to a 401(k), roll to an IRA, or cash out. Cash out is almost never right.
• The Rule of 55 is TSP-exclusive. Roll to an IRA before age 59.5 and you permanently lose penalty-free access on those dollars.
• TSP launched Roth in-plan conversion on January 28, 2026. Separated participants can convert traditional TSP to Roth without leaving the plan.
• Outstanding TSP loans don't disappear at separation. The QPLO rule gives you until your tax filing deadline (not just 60 days) to roll a defaulted loan balance to an IRA.
• TSP withdrawals do NOT reduce your FERS supplement, regardless of how much you take out.
• TSP expense ratios (0.036-0.051%) are a structural advantage no private-sector plan can match. Don't trade them away without a clear reason.

Your Four Options at a Glance

When you leave federal service, your TSP doesn't close. The money stays put until you decide what to do. Here are the four paths:

Option	Penalty Risk	Tax Event	Lose Rule of 55?	G Fund Access?
Stay in TSP	No	No	No	Yes
Roll to 401(k)	No	No	Possibly	No
Roll to IRA	No	No	Yes (if under 59.5)	No
Cash out	Yes (if under 55)	Yes	N/A	No

Don't rush this. The decision is mostly irreversible once you move money out of TSP.

Option 1: Keep Your Money in TSP

You can leave your balance in TSP indefinitely, as long as it's $200 or more. You can't make new contributions, but you keep full investment control and can change your fund allocation any time.

When staying makes the most sense:

• You are between ages 55 and 59.5 at separation (the Rule of 55 applies only if the money stays in TSP)
• You want the G Fund, which has no private-sector equivalent
• You are concerned about creditors (TSP has unlimited federal protection; IRAs cap at roughly $1.7 million)
• You have an outstanding TSP loan and need time to resolve it
• You were RIF'd and may return to federal service within a year

The structural advantages that make TSP hard to beat:

• Expense ratios of 0.036-0.051%. A typical 401(k) charges 0.50-1.00%. On a $300,000 balance, that difference compounds to tens of thousands of dollars over 20 years.
• The G Fund. Government-backed returns with zero market risk. Vanguard's closest money market fund charges 0.11% and carries interest rate risk. G Fund charges 0.037% with no principal risk.
• Federal creditor protection. Under 5 U.S.C. Section 8437(e), your TSP cannot be seized, attached, levied, or garnished by most creditors, with no dollar cap.
• Roll money INTO TSP after separation. You can still consolidate old traditional 401(k) and deductible IRA funds into your TSP. Most separated participants don't know this is still available to them.
• New in 2026: Roth in-plan conversion. You can now convert traditional TSP to Roth without leaving the plan. More on this below.

Limitations to know:

• No new employee contributions
• Limited investment menu compared to a full brokerage IRA
• Roth TSP is subject to RMDs at age 73. Roth IRA is not.

Option 2: Roll to a New Employer's 401(k)

If you're leaving federal service for a private-sector job, you can roll your TSP into your new employer's 401(k).

This makes sense if the new plan has strong low-cost index funds, and you want to simplify everything into one account. It does not make sense if the new plan has mediocre fund options with 1%+ expense ratios, or if you're ages 55-59.5 and need the Rule of 55.

One underused strategy: roll your old private-sector 401(k) INTO your TSP, not the reverse. If you have a former employer's 401(k) sitting somewhere with poor funds or high fees, bringing it into TSP often improves your situation at no cost.

Option 3: Roll to an IRA

The most common move for separated feds. A direct rollover from traditional TSP to traditional IRA, or from Roth TSP to Roth IRA, triggers no tax at transfer.

When rolling to an IRA makes sense:

• You are over 59.5 and don't need the Rule of 55
• You want access to thousands of ETFs, individual bonds, or sector funds
• You want to execute a Roth conversion ladder across multiple years to manage taxes in retirement
• You want to eliminate Roth RMDs (Roth IRA has no RMDs; Roth TSP does)
• Your financial advisor requires non-TSP accounts to manage your money

Two gotchas that catch people off guard:

Gotcha 1: The Roth five-year clock resets. When you roll Roth TSP to a Roth IRA, the Roth IRA five-year clock does not carry over. It starts fresh. If you've already had any Roth IRA open for 5+ years, this isn't a problem. If this rollover would open your first Roth IRA ever, you need to wait five years before earnings qualify as tax-free.

Gotcha 2: The Rule of 55 disappears permanently. If you're between ages 55 and 59.5, rolling to an IRA means those funds now require age 59.5 for penalty-free access. There's no way to put that protection back once the money leaves TSP.

Option 4: Cash Out (Almost Always Wrong)

Cashing out your TSP before age 59.5 has real costs:

Scenario	Amount
TSP balance	$50,000
Mandatory 20% federal withholding	-$10,000
10% early withdrawal penalty	-$5,000
State income tax (5% estimate)	-$2,500
Net to you	~$32,500
Lost future growth (7% for 20 years)	~$193,000

Before you conclude you need to cash out, exhaust these alternatives:

• TSP installment payments (you set the amount and frequency after separation)
• 72(t) SEPP payments (structured penalty-free withdrawals, but complex and inflexible)
• Personal loan or HELOC to cover immediate needs while TSP keeps growing

Cash-out may be unavoidable if you face extreme financial distress with no other options, or if your balance is under $1,000 and the penalty is manageable. It also may apply if you qualify for an IRS penalty exception, such as total disability or certain medical expenses exceeding 7.5% of AGI.

Age at Separation: The Decision That Overrides Everything

Your age at separation is the single most important variable. Everything else is secondary.

Under Age 55

The 10% early withdrawal penalty applies to all TSP distributions unless you qualify for an exception. The Rule of 55 does not apply. Rolling to an IRA doesn't help, since IRA also requires age 59.5 for penalty-free access.

Your best options: stay in TSP for tax-deferred growth, or use 72(t) SEPP payments if you need income now. SEPP requires you to take substantially equal periodic payments for at least five years, or until age 59.5, whichever is longer. Once you start, you can't change the payment amount without triggering a retroactive penalty on all prior payments.

Ages 55 to 59.5: The Golden Window

This is where TSP beats every private-sector account.

The Rule of 55: If you separate from federal service in the calendar year you turn 55 or later, you can take TSP withdrawals at any time without the 10% penalty. The rule is calendar-year based. If you turn 55 on December 31 and separate anytime in that same calendar year, you qualify.

The trap: Roll your TSP to an IRA before age 59.5 and you permanently lose the Rule of 55 on those dollars. They're now in an IRA that requires 59.5.

Optimal strategy in this window: Keep enough in TSP to fund your spending from separation to age 59.5. Roll the remainder to an IRA if you want flexibility.

Example: You separate at 57 and need $30,000 per year for 2.5 years until 59.5. Keep $75,000 in TSP for Rule of 55 access. Roll the rest.

Ages 59.5 and Over

No 10% penalty regardless of account type. Rolling to an IRA becomes more attractive because you gain access to broader investments, eliminate Roth TSP RMDs, and gain more estate planning flexibility. TSP still has the G Fund and cost advantage, so splitting makes sense for many retirees. Keep some in TSP, roll the rest.

Special Provision Employees (LEO, Firefighter, Air Traffic Control)

The Rule of 50 applies: penalty-free TSP withdrawals if you separate in the calendar year you turn 50. Under SECURE 2.0 (effective January 1, 2023), public safety employees with 25+ years of service can access TSP penalty-free at any age. Both protections are TSP-specific. Roll to an IRA and you lose them both.

The TSP Loan Clock Starts at Separation

If you have an outstanding TSP loan when you leave, here is what happens:

1. Payroll deductions stop. Your automatic loan payments stop immediately.
2. TSP expects you to continue making direct payments by check, money order, or direct debit on the original schedule.
3. If you miss payments, TSP sends notices.
4. If you fail to repay, TSP forecloses the loan. The outstanding balance becomes a "deemed distribution": a taxable event, plus 10% penalty if you're under 55.

The QPLO rule most people don't know about: If your loan is foreclosed due to separation, you have until your tax filing deadline (including extensions) for the year of separation to roll the outstanding loan balance into an IRA. This is called a Qualified Plan Loan Offset (QPLO). It replaced the old 60-day rollover window with a much more workable timeline.

If you were RIF'd and have a TSP loan, deal with the loan before making any other TSP decisions. A rollover to IRA does not extinguish an outstanding loan.

For more on TSP loan mechanics, see our TSP Loans Guide 2026.

Vesting Check: Don't Leave the 1% Behind

Two different vesting schedules apply to agency contributions. Many employees don't realize they are separate.

Agency matching contributions (up to 4%): Vest immediately. The day the matching contribution posts to your account, it's yours. If you separate after six months with $5,000 in matching, you keep all of it.

Agency automatic contribution (1%): Vests after three years. Leave before three years and you forfeit this balance and its earnings.

One detail worth checking: TSP uses a "TSP Service Computation Date" (TSP-SCD) that may differ from your HR service computation date. If you're within 90 days of your three-year mark, verify your TSP-SCD with your agency's payroll office. One extra month of service could mean keeping years of compounded growth on the 1% automatic contributions.

If you're facing a RIF and are close to the three-year mark, that vesting date is worth fighting for in any negotiation.

Beneficiary Designation: The Task Nobody Does

Your TSP-3 beneficiary designation stays in effect exactly as filed after you separate, including through divorce and remarriage.

A divorce decree, prenuptial agreement, or will does NOT override your TSP-3. If you remarry and don't update TSP-3, your ex-spouse may still receive your TSP balance at your death.

Update your beneficiary by: Logging into My Account at tsp.gov and submitting electronically. You can also mail Form TSP-3 to Thrift Savings Plan, P.O. Box 385021, Birmingham, AL 35238.

This is the simplest task on this entire list. Do it in the first week after separation.

The 2026 Roth In-Plan Conversion: A New Tool for Separated Participants

The TSP launched Roth in-plan conversion on January 28, 2026. This is available to separated participants, not just active employees.

What it does: Converts some or all of your traditional (pre-tax) TSP balance to Roth within the TSP. You pay income tax on the converted amount that year. Future growth is then tax-free.

Why it matters for separated employees: If you're in a low-income gap year between separation and RMDs or Social Security, converting in that low-bracket window cuts your lifetime tax bill, and you can now do it without leaving TSP.

Limits to know:

• Minimum: $500 per conversion
• Maximum: 26 conversions per calendar year
• Irrevocable. Cannot be reversed.
• Taxable in the year of conversion, including state income tax where applicable
• Does not affect contribution limits

For the full breakdown on how conversions work, see our TSP Roth In-Plan Conversion Guide.

FERS Supplement and TSP: The Rule That Surprises Everyone

If you're a FERS retiree collecting the Special Retirement Supplement before age 62, you face a $24,480 earnings limit in 2026. Earn more from wages and the supplement gets reduced.

TSP withdrawals do not count. Traditional TSP withdrawals, Roth TSP withdrawals, investment income, rental income, pension income, dividends, and capital gains are all excluded from the earnings test. Only wages and net self-employment income count.

A FERS retiree on VERA at 56 can draw $50,000 per year from TSP in addition to their pension and have zero impact on the supplement. They can also take a non-wage consulting arrangement up to $24,480 on top of that.

For more detail, see our FERS Special Retirement Supplement Guide and the Deferred vs Postponed Retirement guide if you're separating before your MRA.

Required Minimum Distributions After Separation

RMD age is 73 for most people, and 75 for those born January 1, 1960 or later.

The Roth TSP RMD problem: Roth TSP balances are subject to RMDs at 73. Roth IRA balances are not. If you want your Roth balance to keep growing tax-free without forced distributions, rolling Roth TSP to a Roth IRA before RMD age is the standard solution.

Note on the five-year clock at rollover: Rolling Roth TSP to Roth IRA resets the Roth IRA five-year clock. If you've already had any Roth IRA open for 5+ years, this isn't a problem. If this is your first Roth IRA, the clock starts at rollover.

SECURE 2.0 update: TSP confirmed that Roth TSP is no longer subject to RMDs during the participant's lifetime, effective for 2024 and later tax years. Verify the current status at tsp.gov before making decisions based on this.

TSP Separation Timeline and Key Deadlines

When	What Happens
Day 1 of separation	Payroll deductions stop. Loan payments stop.
Within 30 days	Agency reports separation to TSP. You receive confirmation.
Within 60 days of separation	Begin direct loan payments to avoid deemed distribution.
After separation confirmation	Can request withdrawals through My Account at tsp.gov.
By tax filing deadline of separation year	Deadline to roll QPLO (defaulted loan balance) into IRA.
December 29 (noon ET) each year	Last day for TSP withdrawals to count in that tax year.
April 1 following age-73 birthday	Deadline for first RMD (or age 75 if born 1960 or later).

Calculate Your TSP Projection

Use our free TSP Calculator to model how long your balance will last at different withdrawal rates, or compare what staying in TSP versus rolling to an IRA looks like under different expense ratio assumptions. If you were RIF'd and need to understand your severance eligibility alongside your TSP decision, the Severance Pay Calculator gives you that picture too.

Frequently Asked Questions

If I get RIF'd, what happens to my TSP?

Your TSP account stays intact. You cannot make new contributions, but your balance continues to grow tax-deferred. You have four choices: leave it in TSP, roll to a 401(k), roll to an IRA, or cash out. Cash out triggers 20% mandatory withholding plus a 10% early penalty if you are under 55. Most RIF'd employees should leave TSP alone for at least 90 days while they assess job prospects and tax situation.

What is the Rule of 55 and how does it affect my decision?

If you separate from federal service in the calendar year you turn 55 or later, you can withdraw from your TSP at any time without the 10% early withdrawal penalty. This is better than IRA rules, which require age 59.5. If you roll your TSP to an IRA before turning 59.5, you permanently lose this benefit on those dollars.

Will TSP withdrawals reduce my FERS supplement?

No. TSP withdrawals, traditional or Roth, are not earned income and do not count toward the FERS supplement earnings test ($24,480 in 2026). Only wages and self-employment income reduce the supplement.

What happens to my TSP loan when I separate?

Payroll deductions stop automatically. You have until the loan's original maturity date to make direct payments by check or direct debit. If you stop paying, TSP forecloses the loan and declares a taxable deemed distribution. You can roll the defaulted amount into an IRA by your tax filing deadline under the QPLO rule to avoid immediate taxes.

Should I roll my TSP to an IRA after leaving government?

It depends on your age. If you are between 55 and 59.5, keep at least some TSP to preserve the Rule of 55. If you are over 59.5, rolling to an IRA can give you more investment options and eliminates Roth TSP's RMD requirement. If under 55, staying in TSP and using the new Roth in-plan conversion feature may be better than rolling out.

Does my agency match go away if I leave before retirement?

Agency matching contributions (up to 4%) vest immediately. They are yours the day they are deposited. Only the 1% automatic agency contribution has a 3-year vesting requirement. If you leave before 3 years, you forfeit the 1% automatic contributions and their earnings.

Can I still convert my TSP to Roth after I leave government?

Yes. The Roth in-plan conversion feature launched January 28, 2026, and is available to separated participants. You can convert $500 or more from traditional TSP to Roth TSP while remaining in the system. Each conversion is irrevocable and taxable in the year it occurs.

Is my TSP protected if I go bankrupt or get sued?

Yes. TSP accounts are protected from virtually all creditor action under federal law (5 U.S.C. Section 8437(e)). This protection is broader and unlimited compared to IRA protections, which have a roughly $1.7 million federal bankruptcy cap. If you are in financial distress, this is a strong argument for keeping funds in TSP rather than rolling to an IRA.

Related Resources

• TSP Withdrawal Guide 2026: Once you decide to stay in TSP, this covers how and when to take money out.
• TSP Loans Guide 2026: Full breakdown of loan repayment, default rules, and QPLO mechanics.
• TSP Roth In-Plan Conversion Guide 2026: Step-by-step on the new 2026 conversion feature.
• VERA/VSIP Guide 2026: If you took voluntary early retirement or a buyout, this covers your benefit interaction.
• Deferred vs Postponed Retirement (FERS): For employees who separated before MRA and need to understand their FERS options.

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Sources:

• TSP: Information for Participants Leaving Federal Service
• TSP: Expenses and Fees
• TSP: Roth In-Plan Conversion Bulletin 25-4
• TSP: 2026 Contribution Limits Bulletin 25-3
• TSP: Move Money Into TSP
• IRS: Exceptions to Early Withdrawal Penalty
• eCFR: 5 CFR Part 1655 (TSP Loan Program)
• Federal News Network: 3 Things to Know Before Rolling Roth TSP to Roth IRA