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Official form guide
Internal Revenue Service Form 13614-C (km) is a questionnaire that gathers personal tax information, such as income, deductions, and filing status, for individuals preparing a tax return. The form must be completed by the taxpayer and includes a filing deadline of 12/31/2025.
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Internal Revenue Service Form 13614-C (km) is a questionnaire that gathers personal tax information, such as income, deductions, and filing status, for individuals preparing a tax return. The form must be completed by the taxpayer and includes a filing deadline of 12/31/2025.
Plain English
Form 13614-C (km) collects the details you need to file your income tax return. It asks for wages, other income, and any credits or deductions you qualify for. You fill it out before you file your return.
Submission Date
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Receiving wages reported on a W-2
W-2 provides employer-reported wage information needed for tax filing
✓ Verify the W-2 details match the questionnaire entries
Receiving retirement distribution reported on a 1099-R
1099-R reports taxable pension or retirement distribution amounts
✓ Confirm the distribution amount on the 1099-R aligns with the questionnaire
Receiving unemployment compensation reported on a 1099-G
1099-G reports unemployment benefits that are taxable income
✓ Ensure the unemployment amount is entered correctly
Not stated in the official source
Checklist
Catalog Number
39364X · Form header
OMB Number
1545-1964 · OMB identification section
Revision date
10-2025 · Revision line on cover page
Taxpayer information section
Personal income details (W‑2, 1099, 1098, 1095) · Tax documents
VITA/TCE assistance notice
Eligibility statement · IRS assistance program info
Field map
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 10-2025 revision of Form 13614-C (km). The source does not indicate a “latest information” page or specify what changed.
Quick Facts
Downloads
Do I need to sign the form?
The form requires the taxpayer’s signature to certify information.
→ Verify that a signature appears in the designated signature line.
What if I don’t have a Social Security Number?
The form allows an ITIN in place of an SSN.
→ Ensure you enter the ITIN in the appropriate field.
Can I use a previous year’s version?
Only the Rev. 10-2025 edition is valid for the 2025 filing year.
→ Check the revision date on the top of the form.
Is the OMB number required on my copy?
OMB Number 1545-1964 is printed on the official form.
→ Confirm the OMB number matches the source.
Do I have to answer every question?
The questionnaire must be completed by the taxpayer.
→ Leave no question blank unless instructed otherwise.
Where do I mail the completed form?
The address listed is 1111 Constitution Ave. NW, Washington, DC 20224.
→ Verify the mailing address before sending.
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Form 13614-C (km) collects the details you need to file your income tax return. It asks for wages, other income, and any credits or deductions you qualify for. You fill it out before you file your return.
The form requires the taxpayer’s signature to certify information. Verify that a signature appears in the designated signature line.
The form allows an ITIN in place of an SSN. Ensure you enter the ITIN in the appropriate field.
Only the Rev. 10-2025 edition is valid for the 2025 filing year. Check the revision date on the top of the form.
OMB Number 1545-1964 is printed on the official form. Confirm the OMB number matches the source.
The questionnaire must be completed by the taxpayer. Leave no question blank unless instructed otherwise.
The address listed is 1111 Constitution Ave. NW, Washington, DC 20224. Verify the mailing address before sending.
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