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Official form guide
Form 15103: Form 1040 Return Delinquency
Internal Revenue Service Form 15103 is the Form 1040 Return Delinquency notice used to report a taxpayer’s failure to file a Form 1040 for a tax year and to provide required personal and filing‑status information.
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IRS Form 15103 - Form 1040 Return Delinquency
Internal Revenue Service Form 15103 is the Form 1040 Return Delinquency notice used to report a taxpayer’s failure to file a Form 1040 for a tax year and to provide required personal and filing‑status information.
Risk Radar
Scan points- 1Failing to sign the form invalidates the submission.
- 2Leaving the Social Security Number field blank.
- 3Omitting the taxpayer’s name on the form.
- 4Failing to complete both sides of the form before mailing.
- 5Not indicating whether a tax return has already been filed.
Plain English
Form 15103 lets the IRS know that you have not filed your Form 1040 for the year. You fill out personal details, explain why you did not file, and may attach a copy of the return if you have one. The completed form is mailed in the provided envelope.
Submission Date
- Filing date: 2017-10-05 18:00:10
- Preparation window: collect IDs, supporting records, and signatures in advance.
- Final review: verify names, dates, and required fields before submission.
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What this form is for
- Use this form when you have not filed a Form 1040 for the tax year and need to report the delinquency to the IRS.
- Do not use it when you are filing a Form 1041 for an estate or trust instead of a Form 1040.
- Check Form 1041 instead when you are filing an estate or trust income return rather than a Form 1040.
Form selector
Use this form or another form?
You are filing an estate or trust income return
The IRS requires estates and trusts to use Form 1041 instead of Form 1040
✓ Confirm the return is for an estate or trust
You need to apply a prior‑year credit to a current return
A tax return must be filed for the year of the credit to apply it
✓ Verify the credit year matches the return year
You are filing a regular individual income return for the tax year
Form 1040 is the standard individual income tax return
✓ Ensure the form is the correct edition (June 2017)
Deadline or filing window
Not stated in the official source.
Checklist
What you need before filling it out
Social Security Number
Taxpayer's SSN · Taxpayer's personal records
Taxpayer name
Legal name as on tax return · Tax return or ID documents
Address
Current mailing address · Recent utility bill or ID
Signature
Signed and dated form · Signer’s handwritten signature
Indicate circumstances (e.g., already filed)
Statement of filing status · Copy of filed return if applicable
Before you submit
- 1Verify the form edition reads June 2017 (6‑2017).
- 2Fill in Social Security Number accurately.
- 3Enter taxpayer name exactly as on the return.
- 4Update address fields if your address has changed.
- 5Provide primary and secondary telephone numbers with best time to call.
- 6Mark any applicable circumstances, such as “I already filed my tax return…”.
- 7Attach a signed and dated copy of the filed return if you indicated you already filed.
- 8Sign and date the form in the signature block.
- 9Mail the completed form in the enclosed envelope with the IRS address visible through the window.
How to file this form
- 1Complete both sides of Form 15103 with required personal and filing‑status information.
- 2Attach any required documents, such as a signed copy of the filed return.
- 3Place the form and attachments in the enclosed envelope, ensuring the IRS address shows through the window.
- 4Stamp and seal the envelope.
- 5Mail the envelope to the IRS.
- 6Retain a copy of the completed form and mailing receipt for your records.
Known limitations
- 1Form 15103 does not apply when the taxpayer has already filed the required Form 1040 for the tax year and encloses a signed copy.
- 2Form 15103 does not apply when the taxpayer filed Form 1041 (Estate/Trust return) instead of Form 1040 for the tax year.
- 3Form 15103 does not apply if the taxpayer believes they are not required to file a tax return; they must explain the reason on the form.
- 4Answers provided on Form 15103 apply only to the specific tax year indicated.
- 5Form 15103 cannot be used to claim a prior‑year credit or refund unless the taxpayer files a return for that year.
Field map
Compact field-by-field guide
General Info
2 items
Full legal name and taxpayer identification number (SSN or EIN).
Current mailing address.
Details
2 items
Complete all applicable sections of this form according to the official IRS instructions.
Enter the relevant dollar amount if this form involves tax calculation.
Certification
1 items
Read and acknowledge any certifications required by this form.
Signatures
1 items
Sign and date. Unsigned forms cannot be processed.
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Fillable formOpen in Editor->The form is the June 2017 edition (revision 6‑2017) as shown on the cover page. The source does not indicate a newer version or specific changes.
What changed or needs a fresh check
- Edition date — confirm the form shows June 2017 (6‑2017) revision
- Fee — Not stated in the official source
- Mailing address — Not stated in the official source
- Signature — confirm you sign and date the form
- Complete both sides — confirm both sides of the form are filled
Quick Facts
Downloads
After you file
- 1Retain the completed Form 15103 and any attached return for at least three years.
- 2Keep a copy of the envelope with the address window visible as proof of mailing.
- 3Await a written acknowledgment or notice from the IRS confirming receipt.
- 4If the IRS issues a correction notice, file an amended Form 15103 with updated information.
- 5Store the signed form in a safe place for future reference.
Sources
- SRCForm 15103 (June 2017) Catalog Number 69797K appears on page 1 — source: [Form p.1]
- SRCInstruction to complete both sides and send in the enclosed envelope appears on page 1 — source: [Form p.1]
- SRCBox for indicating you already filed a tax return and to enclose a signed copy appears on page 1 — source: [Form p.1]
- SRCOption to indicate filing Form 1041 instead of Form 1040 appears on page 1 — source: [Form p.1]
- SRCPrompt to explain why you think you are not required to file a tax return appears on page 1 — source: [Form p.1]
- SRCNote stating answers apply to the tax year only appears on page 1 — source: [Form p.1]
- SRCRequirement to sign under penalties of perjury appears on page 2 — source: [Form p.2]
- SRCNote that you must file a return to apply a prior‑year credit appears on page 2 — source: [Form p.2]
- SRCNote that you must file a return to be eligible for a refund even if not required appears on page 2 — source: [Form p.2]
- SRCFields for indicating desire to receive credit as a refund check appear on page 2 — source: [Form p.2]
Common confusion points
Do I need to send this form if I already mailed my 1040?
The form asks if you already filed and to enclose a copy.
→ Check the box “I already filed my tax return” and attach the signed return.
Can I use this form when I filed a Form 1041 instead of a 1040?
The form includes a specific field for filing Form 1041.
→ Mark the Form 1041 option and provide the EIN and year.
What if I think I’m not required to file a return?
There is a section to explain why you don’t think you must file.
→ Write a brief explanation in the provided space.
Do the answers I give apply to all years?
The form notes the answers apply to the tax year only.
→ Verify the tax year you entered matches the year in question.
Can I claim a prior‑year credit on this form?
A note says you must file a return for that year to apply the credit.
→ Ensure you have filed the required return before requesting the credit.
Do I need to sign the form to make it valid?
The bottom of page 2 requires a signature under penalties of perjury.
→ Sign and date the form before mailing.
Workflow map
Related forms and next steps
Before
Current
After
Often used with
⚠ If something goes wrong
- Form 1041 – file a corrected estate/trust return if the original was inaccurate.
Questions about IRS Form 15103
What is IRS Form 15103 used for?
Form 15103 lets the IRS know that you have not filed your Form 1040 for the year. You fill out personal details, explain why you did not file, and may attach a copy of the return if you have one. The completed form is mailed in the provided envelope.
Who must file IRS Form 15103?
Taxpayers who have not filed their Form 1040 for the applicable tax year must file IRS Form 15103.
What information does IRS Form 15103 require?
The form collects the taxpayer’s Social Security Number, name, address, telephone numbers, filing status, age, citizenship, blindness, work location, spouse details, total income, and reasons for not filing.
Where do I file IRS Form 15103?
Complete both sides of the form and send it to the IRS in the enclosed envelope, ensuring the address on the envelope shows through the window.
How do I complete IRS Form 15103?
Fill out both sides of Form 15103, entering personal and filing‑status data in the designated fields. Indicate whether a return has already been filed and attach a signed, dated copy if applicable. Sign and date the form at the bottom. Mail the completed form in the supplied envelope.
What happens if IRS Form 15103 is filed incorrectly?
Providing false information on the form can result in penalties of perjury under federal law.
Do I need to send this form if I already mailed my 1040?
The form asks if you already filed and to enclose a copy. Check the box “I already filed my tax return” and attach the signed return.
Can I use this form when I filed a Form 1041 instead of a 1040?
The form includes a specific field for filing Form 1041. Mark the Form 1041 option and provide the EIN and year.
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