IRS Form 1040-X is the Amended U.S. Individual Income Tax Return — the official form for correcting errors or claiming missed credits on a previously filed tax return. If you failed to claim the OBB (Occupational Benefit Business) Credit on your original tax return for 2023 or 2024, you can still claim it by filing Form 1040-X. The credit is worth up to $10,000 for self-employed individuals with occupational health insurance premiums.

What Is the OBB Credit and Who Qualifies?

The OBB Credit applies to self-employed individuals and small business owners who pay for occupational health insurance — coverage that protects against injuries or illnesses arising from work. Qualifying expenses include: Health insurance premiums for self and family, long-term care insurance premiums (age-dependent), and premiums for occupational accident or disability coverage.

How to File Form 1040-X for OBB Credit

Step 1: Gather your original return data, W-2 forms, and 1099 forms from the tax year you are amending. Step 2: Complete Form 1040-X with corrected figures including the OBB credit on the appropriate line. Step 3: Attach Schedule OBB (Occupational Benefit Business Credit) with supporting documentation of premium payments. Step 4: File online via IRS Free File or mail Form 4500 to the IRS campus for your jurisdiction.

Claim Amounts by Scenario

Self-employed with individual health coverage: Up to $10,000 based on total premiums paid (limited by earned income). Small business with 1-5 employees: $2,000-$5,000 based on number of employees and premium amounts. Married filing jointly with two self-employed individuals: Can each claim separate OBB credits on their respective premiums, potentially doubling the credit.

The 3-year window to file Form 1040-X means 2023 returns can be amended until approximately April 2027. For detailed guidance, consult the IRS Form 1040-X Instructions.

What is Form 1040-X and why is it relevant now?

Form 1040-X is the IRS Amended U.S. Individual Income Tax Return. It allows taxpayers to correct errors or claim missed credits on previously filed returns. The OBB (Occupational Benefit Business) credit can be claimed via Form 1040-X for tax years 2023 and 2024 if it was missed on the original return.

What is the OBB credit worth?

The OBB credit is worth up to $10,000 for self-employed individuals with occupational health insurance premiums. For small businesses with 1-5 employees, the credit ranges from $2,000 to $5,000 based on premiums paid and employee count.

What is the deadline to claim OBB via 1040-X?

You can file Form 1040-X within 3 years of the original filing date or within 2 years of paying the tax, whichever is later. For 2023 tax year returns, the deadline to amend is approximately April 2027.

How do I file Form 1040-X for OBB credit?

Step 1: Gather original return data and W-2 forms. Step 2: Complete Form 1040-X with corrected figures including OBB credit. Step 3: Attach the OBB schedule and supporting documentation. Step 4: Submit online via IRS Free File or mail to the appropriate IRS center.

How long does IRS take to process 1040-X?

IRS processing time for Form 1040-X is typically 8-12 weeks from the date of submission. If you filed online, you can track the status at IRS.gov using your refund status tool. Paper filers should allow additional 4-6 weeks.

Official Resources: IRS.gov | Form 1040-X Instructions