How to Split Retirement in Divorce: 401(k), Pension, IRA, and Military

Your divorce decree says your retirement accounts are divided. But the decree itself cannot move a single dollar — it is a court order, not a financial instruction. Each type of retirement account has its own legal mechanism for division, and getting it wrong can delay payments for months or cost you a permanent share of your benefits.

The QDRO: What It Is and Why You Need One

A Qualified Domestic Relations Order (QDRO) is a separate court order — distinct from your divorce decree — that directs a retirement plan administrator to pay a portion of one spouse's retirement benefits to the other spouse. Without a QDRO, the plan administrator has no legal authority to split the account.

QDROs are required for:

• 401(k) and 403(b) plans
• Private-sector defined benefit pensions
• State and municipal pension plans (including Alaska PERS and TRS)

QDROs are not required for IRAs. More on that below.

Splitting a 401(k) or 403(b)

For employer-sponsored defined contribution plans, the QDRO physically splits the account. The plan administrator creates a new, separate account in the receiving spouse's name and transfers the designated amount.

Pre-approval step: Before the judge signs the QDRO, submit the draft to the plan administrator for preliminary review. Each plan has specific formatting and language requirements. Getting rejected after the judge signs means going back to court for a corrected order.

Tax rules: Under IRC § 72(t)(2)(C), QDRO distributions from a 401(k) are exempt from the 10% early withdrawal penalty — even if the receiving spouse is under 59½. However, standard income tax still applies if you take a cash distribution instead of rolling the funds into your own IRA.

Best practice: Roll the distributed funds directly into your own IRA (trustee-to-trustee transfer). This preserves the tax-deferred status and avoids both penalties and immediate tax liability.

Splitting a Pension (Defined Benefit Plan)

Pensions work differently because there is no account balance to split. Instead, the QDRO establishes what percentage of the monthly pension payment the receiving spouse will get, using the coverture fraction.

The coverture fraction formula:

Months of credited service during the marriage ÷ Total months of credited service at retirement = coverture fraction.

The receiving spouse's share = Monthly pension × Coverture fraction × Awarded percentage (typically 50%).

The catch: Payments to the receiving spouse only begin when the pension member actually retires. The member controls when that happens. If they work another 15 years, the receiving spouse waits 15 years.

For Alaska state employees under PERS or TRS, the Division of Retirement and Benefits requires a separate QDRO for each retirement account. If a member has both a PERS pension and a Supplemental Annuity Plan (SBS-AP), two separate QDROs must be drafted and submitted. The DRB rejects any order that groups accounts under generic language like "all retirement benefits."

Splitting an IRA

IRAs are simpler. They are not governed by ERISA and do not require a QDRO. Instead, IRA division uses a "transfer incident to divorce" under IRC § 408(d)(6).

The divorce decree must specify the exact percentage or dollar amount to be transferred. The receiving spouse submits a certified copy of the decree and the custodian's transfer form (Fidelity, Vanguard, Schwab — each has their own) directly to the financial institution.

The transfer must be executed as a direct trustee-to-trustee transfer from one IRA to another IRA. This maintains the tax-deferred status and avoids any income tax or penalties.

Military Retirement

Military pensions follow their own rules under the Uniformed Services Former Spouses' Protection Act (10 U.S.C. § 1408).

The 10/10 rule: For the Defense Finance and Accounting Service (DFAS) to send payments directly to the former spouse, the marriage must have lasted at least 10 years overlapping with at least 10 years of creditable military service. If the marriage was shorter, the court can still divide the pension, but the service member must remit the payments manually.

The frozen benefit rule: For divorces finalized after December 2016, the former spouse's share is capped at the member's rank and years of service at the date of divorce. Post-divorce promotions and pay increases do not increase the former spouse's share.

Common Mistakes

• Waiting too long: If a pension member retires or dies before the QDRO is filed, the receiving spouse's rights may be permanently lost. For Alaska TRS, if the member dies, the surviving former spouse must notify the administrator within 10 days or forfeit past payments.
• Using the wrong type of QDRO: Defined benefit plans use stream-of-payments QDROs. Defined contribution plans use separate-interest QDROs. The wrong type gets rejected.
• Skipping pre-approval: Filing a QDRO without getting the plan administrator's preliminary review almost guarantees a rejection and a second trip to court.

The Alaska After-Divorce Checklist includes a retirement division tracker covering PERS, TRS, ERISA plans, IRAs, and military pensions with the specific steps and forms for each.

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