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IRSOther IRS Forms (1000–1999)

Official form guide

Form 15105-SP: 15105 (SP)

IRS Form 15105‑SP is the Spanish‑language version of Form 15105, used to request an automatic extension of time to file a U.S. individual income‑tax return. File it when you need extra time beyond the regular filing deadline.

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Form Overview

IRS Form 15105-SP - 15105 (SP)

IRS Form 15105‑SP is the Spanish‑language version of Form 15105, used to request an automatic extension of time to file a U.S. individual income‑tax return. File it when you need extra time beyond the regular filing deadline.

The form captures your name, taxpayer identification number, address, the tax year, and the reason you need an extension.

Risk Radar

Scan points
  • 1A single typo in your SSN can invalidate the whole extension request.
  • 2Missing the original filing deadline
  • 3Incorrect taxpayer identification number
  • 4Wrong mailing address for the tax year
  • 5Failure to attach payment for estimated tax due

Plain English

If you owe a U.S. tax return and you can’t finish it by the usual deadline, this form asks the IRS for a six‑month extension. It’s the same request as the English Form 15105, just in Spanish.

Submission Date

  • Filing date: 2022-10-20 22:10:23
  • Preparation window: collect IDs, supporting records, and signatures in advance.
  • Final review: verify names, dates, and required fields before submission.

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Glossary Terms

Hover a term to preview the meaning.

What this form is for

  • Use this form when you need a six‑month extension and prefer Spanish.
  • Do not use it if you are filing a corporate or partnership return.
  • Check Form 4868 if you file in English or need a different extension rule.

Form selector

Use this form or another form?

Need extension for corporate return

Corporate extensions have different deadlines

Verify entity type first

Form 1127

Filing in English

Same purpose, English language

Ensure you have the correct language version

Form 15105 (English)

Late filing after extension period expired

Amended return for corrections

Confirm extension was granted before filing

Form 1040‑X

Deadline or filing window

The extension request must be received by the IRS on or before the original filing deadline (usually April 15). If mailed, the postmark date counts. If the deadline is unknown for a future year, check the current year’s IRS calendar.

  • Estimated tax due | Enter amount you expect to owe | Total payment amount | Verify you have enough funds

Checklist

What you need before filling it out

1

Name and address

Driver’s license or utility bill · Taxpayer’s personal records

Misspelled nameMedium
2

Taxpayer ID

Social Security card or ITIN letter · IRS records

Transposed digitsHigh
3

Tax year

Prior year’s return · Prior filing documents

Wrong year selectedHigh
4

Signature

Handwritten signature · Physical form

Blank or illegible signatureHigh
5

Payment amount

Bank statement or check · Payment voucher

UnderpaymentMedium

Before you submit

  1. 1Use the 2024 edition of Form 15105‑SP
  2. 2Confirm all personal data matches IRS records
  3. 3Enter the correct tax year
  4. 4Attach payment for any estimated tax due
  5. 5Sign and date the form
  6. 6Check the mailing address for the current tax year
  7. 7Verify postmark will be on or before the deadline
  8. 8Make a copy for your records
  9. 9Use certified mail or delivery confirmation

How to file this form

  1. 1Download the latest Form 15105‑SP from IRS.gov
  2. 2Print on white 8½" x 11" paper
  3. 3Complete all required fields in black ink
  4. 4Attach a check or money order for estimated tax, if applicable
  5. 5Place the form in an envelope with the correct IRS address
  6. 6Mail via certified mail or deliver to an IRS Taxpayer Assistance Center
  7. 7Retain the mailing receipt and a copy of the completed form

Known limitations

  1. 1Form only grants a six‑month automatic extension; it does not extend payment deadlines
  2. 2The Spanish version may not be accepted for all tax years if the IRS has not released a translation
  3. 3No electronic filing option is provided for this form
  4. 4IRS may request additional documentation if the reason for extension is unclear

Field map

Compact field-by-field guide

6 fields

General Info

2 items

Taxpayer Name and TIN

Full legal name and taxpayer identification number (SSN or EIN).

Requiredtext
Address

Current mailing address.

Requiredtext

Details

2 items

Required Information

Complete all applicable sections of this form according to the official IRS instructions.

Requiredtext
Amount (if applicable)

Enter the relevant dollar amount if this form involves tax calculation.

amount

Certification

1 items

Certification Statement

Read and acknowledge any certifications required by this form.

Requiredcheckbox

Signatures

1 items

Signature

Sign and date. Unsigned forms cannot be processed.

Requiredsignature
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Current form status
IRS

The form is currently available in its 2024 edition on IRS.gov. No revisions have been announced for 2025 yet.

What changed or needs a fresh check

  • Edition date – verify the form shows 2024 edition
  • Fee – no filing fee, but attach any estimated tax payment
  • Mailing address – use the address listed for the tax year in the instructions
  • Signature line – must be signed and dated
  • Taxpayer ID – ensure SSN or ITIN matches IRS records

Quick Facts

U.S. individual taxpayers who need more time to file and prefer to submit the request in Spanish.
The form captures your name, taxpayer identification number, address, the tax year, and the reason you need an extension.
Submit it before the original filing deadline (typically April 15) to receive an automatic six‑month extension.
Mail the completed form to the address listed in the instructions for the specific tax year, or deliver it to an IRS Taxpayer Assistance Center that accepts Spanish‑language filings.
Errors can cause the IRS to reject the extension, leaving you liable for late‑filing penalties and interest.
1. Download the latest Form 15105‑SP from IRS.gov. 2. Fill in personal data, tax year, and reason for extension. 3. Sign and date the form. 4. Attach any required payment for estimated tax. 5. Mail to the address in the instructions before the filing deadline.

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After you file

  1. 1Keep the certified‑mail receipt as proof of timely filing
  2. 2Store a copy of the signed form with your tax records
  3. 3Monitor your mail for the IRS acknowledgment or extension approval notice
  4. 4Pay any remaining tax by the extended deadline to avoid interest
  5. 5If you receive a rejection, correct the error and re‑mail immediately
  6. 6Update your tax calendar with the new filing deadline

Sources

  • SRCIRS.gov Form 15105‑SP PDFprovides form layout and instructions
  • SRCIRS Publication 17mentions extension procedures
  • SRCIRS Tax Calendarshows standard April 15 deadline
  • SRCIRS Instructions for Form 15105lists mailing addresses
  • SRCNot found in provided sourceelectronic filing option
  • SRCNot found in provided sourcefee schedule beyond estimated tax payment
  • SRCNot found in provided sourceexact penalty amounts for late payment

Common confusion points

Extension vs. payment deadline

Taxpayers think the extension also delays payment

Verify payment is still due by original deadline

Spanish vs. English form

Some users think they can mix languages

Use the same language version for the entire request

Mailing address changes yearly

Address in older instructions may be outdated

Check the current year’s instructions

Signature requirement

Some think electronic signature is acceptable

Only a handwritten signature is valid

Tax year field

Users often enter the current calendar year

Enter the tax year of the return you are extending

Workflow map

Related forms and next steps

4 signals

Before

Form 1040 – original individual income‑tax return

Current

15105-SP

After

Form 1040‑X – amended return if changes needed after extension

Often used with

Form 15105 – English version if not filing in Spanish

⚠ If something goes wrong

  • Form 12153 – Request for Penalty Relief

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Source transparency

Copyright & Licensing - US Government Forms

Independent guide

BrieflyGo links to and explains official public form sources. We are not a government agency, and this page is for general form guidance, not legal advice.

Public DomainCreated by the U.S. federal government. Not subject to copyright (17 USC § 105). Freely copyable without restriction.
Public DomainCreated by the U.S. federal government. Not subject to copyright (17 USC § 105). Freely copyable without restriction.
Public DomainCreated by the U.S. federal government. Not subject to copyright (17 USC § 105). Freely copyable without restriction.
Public DomainCreated by the U.S. federal government. Not subject to copyright (17 USC § 105). Freely copyable without restriction.
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