TSP Loans Before Military Separation: What Happens When You Leave

TSP loans are one of the most misunderstood aspects of military retirement savings. Many service members take TSP loans without knowing what happens to them at separation, and the consequences of not handling the loan correctly can cost thousands in taxes and penalties.

TSP Loan Basics

The TSP offers two types of loans:

• General Purpose Loan, Any purpose, repaid over 1–5 years
• Residential Loan, For purchasing a primary residence, repaid over 1–15 years

Loans can be up to 50% of your vested account balance, with a minimum of $1,000 and a maximum of $50,000. You repay through payroll deduction, and the interest rate is the G Fund rate at the time of the loan.

What Happens to Your TSP Loan at Separation

When you separate from the military, your payroll deductions stop. The TSP no longer has a mechanism to collect your monthly loan payments.

You are not required to repay the loan in full. This is the single most common misunderstanding, and it costs people money. You have two ways to keep the loan alive: pay it off, or start making the payments yourself by check, money order, or direct debit and let the loan run on its normal schedule (5 CFR 1655.15(b)(1)(i)).

TSP will send you a notice explaining your options and giving you a deadline. In practice that deadline is around 90 days, but it comes from the notice, not from a regulation — read the notice you actually receive rather than counting 90 days from your separation date.

If you do neither by that deadline, TSP declares a loan foreclosure: the unpaid balance plus accrued interest is reported to the IRS on a 1099-R.

The Tax Consequences of a Loan Foreclosure

If your loan balance becomes a taxable distribution:

1. Federal income tax on the full unpaid balance at your marginal rate
2. 10% early withdrawal penalty — but not if you turn 55 or older in the year the foreclosure is declared (age 50, or 25 years of service, for public safety employees). The threshold here is 55, not 59½.
3. State income tax in most states

The part almost nobody tells you: you can still undo this

Even after a foreclosure, the money is not necessarily lost. A foreclosure triggered by separating from service is a qualified plan loan offset under 26 U.S.C. §402(c)(3)(C). You can use personal funds to roll an amount up to the taxable balance into an IRA, another eligible employer plan, or back into the TSP — and the deadline is the due date of your federal tax return for that year, including extensions. Not 60 days. Not 90 days.

Concretely: separate in July 2026, foreclosure lands in 2026, and you have until April 15, 2027 to fix it — or October 15, 2027 if you file an extension. That is up to roughly 15 months, not three.

Two conditions apply. The loan must have been in good standing under IRC §72(p)(2) immediately before you separated, and the offset must occur within 12 months of your separation date. A loan that was already declared a "taxed loan" while you were still serving is a deemed distribution, which is a different thing and cannot be rolled over at all.

Example: You have $20,000 outstanding on a TSP loan when you separate at age 32. You neither pay it off nor start making payments, so it forecloses. In the 22% federal bracket:

• Federal tax: $4,400
• 10% penalty: $2,000
• State tax (varies): ~$1,000
• Total lost to taxes/penalties: ~$7,400

You still owe nothing more to the TSP, the loan is closed and treated as a distribution. But you've effectively lost over a third of the loan balance to taxes — unless you use the rollover window above to put it right.

The Partial Repayment Problem

If you choose the pay-it-off route rather than resuming payments, it has to be the whole balance. Partial repayments are accepted, but whatever is left when the notice deadline passes forecloses on the unpaid portion.

If you have $20,000 outstanding and pay back $15,000, the remaining $5,000 forecloses and becomes taxable. Note that this is the scenario where resuming payments is usually the better move — it keeps the whole balance out of tax entirely.

Exception: If You Become a Federal Civilian Employee

If you leave the military and immediately (or within a short window) become a federal civilian employee, your TSP account can remain active. Loan repayments can continue through your new federal payroll.

This applies to FERS employees, those who leave the military and enter federal civilian service. In this case, foreclosure may not trigger at all. Confirm with TSP directly if this applies to your situation.

What to Do If You Can't Repay Before Separation

Options if a full repayment isn't feasible:

Just keep paying it. Before reaching for anything else, remember the simplest option: contact TSP and set up direct debit or send payments yourself. The loan continues on its original schedule and no tax event happens at all. Most of the panic around separating with a TSP loan comes from not knowing this is available.

Pay it off from another account. If you have savings, an IRA, or other liquid funds, you can clear the balance before the notice deadline. This avoids the tax consequences even if it temporarily depletes another account.

Reduce the loan balance before separation. If you're 6–12 months from separation, you can make additional TSP loan payments above your scheduled amount to reduce the balance.

Accept the tax consequence if the amount is small. If your outstanding loan balance is $3,000–$5,000 and you're otherwise in good financial shape, the math on the tax hit may be less damaging than using all your liquid savings for repayment.

Consult a tax professional. For large loan balances, the decision has significant financial implications. A CPA or enrolled agent who understands military transition finances can model the options.

Checking Your TSP Loan Balance

Log in to tsp.gov to see your current loan balance, repayment schedule, and the date your loan is scheduled to be paid off. If you're within 12 months of separation, know this number.

Sources: TSP Loans booklet (TSPBK04, 1/2026) p.11; 5 CFR 1655.15; 26 U.S.C. §402(c)(3)(C); Treas. Reg. §1.402(c)-3 (T.D. 9937); IRS Publication 575, "Time for making rollover." Verified July 2026. Tax rules change — confirm against tsp.gov and IRS before acting. This is general information, not tax advice.