SSDI Trial Work Period in South Dakota
Working while receiving SSDI in South Dakota? Understand SGA limits, trial work periods, and how to protect your disability benefits under federal rules.

3/1/2026 | 1 min read
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SSDI Trial Work Period in South Dakota
Returning to work after receiving Social Security Disability Insurance (SSDI) benefits can feel like walking a tightrope. Many South Dakota beneficiaries fear that any attempt to work will immediately terminate their disability benefits. The Trial Work Period (TWP) exists precisely to eliminate that fear — it gives you a protected window to test your ability to work without risking your monthly payments.
Understanding how the TWP works, what triggers it, and what happens after it ends is essential for any South Dakota SSDI recipient considering a return to employment.
What Is the Trial Work Period?
The Trial Work Period is a Social Security Administration (SSA) program that allows SSDI beneficiaries to attempt full or part-time work for up to nine months within a rolling 60-month window without losing benefits. During these nine months, you continue receiving your full SSDI payment regardless of how much you earn — as long as you remain medically disabled.
The key point is that TWP months do not need to be consecutive. You could work three months, stop, work two more months later, and so on. The SSA tracks these months over any 60-month (five-year) period. Once you accumulate nine TWP months, the trial period is over and the SSA evaluates whether your work constitutes Substantial Gainful Activity (SGA).
What Counts as a Trial Work Month in South Dakota?
The SSA uses a monthly earnings threshold to determine whether a given month qualifies as a TWP month. For 2025, any month in which you earn more than $1,110 gross (before taxes) counts as a Trial Work Period month. If you are self-employed, working more than 80 hours in a month also triggers a TWP month, regardless of earnings.
Practical examples for South Dakota workers:
- A part-time retail job in Sioux Falls earning $1,200 in October counts as one TWP month.
- A self-employed craftsperson in Rapid City who works 85 hours in a month counts that month even if income was minimal.
- Seasonal agricultural work in the eastern South Dakota corridor — common in the state — can trigger multiple TWP months in a single growing season.
Months where earnings fall below the threshold do not count toward your nine-month limit, preserving your TWP for higher-earning periods.
What Happens After Your Trial Work Period Ends?
Once you have used all nine Trial Work Period months, the SSA enters a 36-month Extended Period of Eligibility (EPE). During the EPE, your SSDI benefits are paid in any month where your earnings fall below the Substantial Gainful Activity threshold — in 2025, that is $1,620 per month for non-blind individuals and $2,700 for blind individuals.
During the EPE, if you earn above the SGA threshold in any given month, the SSA will suspend your benefit payment for that month. However, if your earnings drop back below SGA, benefits resume automatically — no new application required. This creates a meaningful safety net for South Dakota beneficiaries whose work is irregular or seasonal.
After the EPE ends, the stakes change significantly. If you are still working above SGA when the 36-month EPE expires, the SSA will formally terminate your SSDI benefits. At that point, reinstating benefits requires either a new application or an Expedited Reinstatement (EXR) request, which is available for up to five years after termination if you become unable to work again due to the same disabling condition.
Reporting Requirements for South Dakota Beneficiaries
The SSA places the burden of reporting work activity squarely on the beneficiary. Failing to report earnings during the Trial Work Period is one of the most common — and costly — mistakes SSDI recipients make. Unreported earnings can lead to overpayments that the SSA will demand be repaid, sometimes reaching tens of thousands of dollars.
South Dakota beneficiaries should take these reporting steps seriously:
- Report any return to work to your local SSA field office promptly. The nearest offices are located in Sioux Falls, Rapid City, Aberdeen, and Watertown.
- Keep copies of all pay stubs, employer letters, and self-employment records.
- Report earnings monthly, not annually — the SSA calculates TWP months on a month-by-month basis.
- If you work for a South Dakota employer that pays irregularly or in lump sums, clarify with SSA how those payments are allocated across months.
South Dakota does not have a state disability supplement layered on top of federal SSDI, unlike some states, so your primary financial lifeline during work attempts is the federal benefit structure. Accurate reporting protects that lifeline.
Work Incentive Programs That Complement the TWP
The Trial Work Period does not stand alone. Several additional SSA work incentive programs can help South Dakota beneficiaries transition toward employment with reduced financial risk.
Impairment-Related Work Expenses (IRWEs) allow you to deduct disability-related costs — such as medications, medical equipment, or specialized transportation — from your gross earnings when the SSA calculates whether you are performing SGA. For a South Dakota resident with mobility impairments who must travel long distances to rural employment, transportation costs can be substantial and deductible.
Ticket to Work is a free SSA program that connects SSDI beneficiaries with Employment Networks — vocational rehabilitation agencies and employment service providers — across South Dakota. Participating in Ticket to Work also suspends continuing disability reviews while you are making timely progress toward employment goals, adding another layer of protection.
Plan to Achieve Self-Support (PASS) allows SSDI recipients who want to start a business or pursue education to set aside income and resources for that goal without those assets counting against benefit eligibility. This can be particularly valuable for South Dakota beneficiaries in rural areas where self-employment may be more viable than traditional employment.
South Dakota Vocational Rehabilitation (SD Voc Rehab), operated through the Department of Human Services, partners with SSA programs and provides job training, placement assistance, and assistive technology to eligible residents with disabilities. Coordinating with SD Voc Rehab while using your TWP is a strategic approach that many beneficiaries overlook.
Protecting Your Benefits During and After the TWP
The mechanics of the Trial Work Period are straightforward on paper, but applying them correctly in real employment situations involves nuance. Medical improvement, employer accommodations, and earnings variability all interact with the TWP in ways that can produce unexpected results. A month you believed fell below the threshold may have been calculated differently by the SSA; a seasonal income spike could exhaust TWP months faster than anticipated.
Before beginning any work attempt, South Dakota beneficiaries should request a Benefits Planning Query (BPQY) from the SSA — a personalized summary of your current benefit status, TWP months used, and applicable work incentives. Reviewing the BPQY with a Benefits Counselor or disability attorney before you start working prevents costly surprises.
If the SSA concludes that your work activity exceeded SGA and terminates benefits you believe should have continued, you have the right to appeal. Filing a Request for Reconsideration within 60 days of a termination notice preserves your appeal rights and may allow benefits to continue during the appeal process if you elect continuation of payment.
Need Help? If you have questions about your case, call or text 833-657-4812 for a free consultation with an experienced attorney.
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