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IRSSocial Security (SS Series)

Official form guide

Form SS4SP: SS-4 (sp)

Form SS-4 (sp) is the Spanish‑language version of the IRS Application for Employer Identification Number (EIN). Use it when a business, nonprofit, trust, estate, or other entity needs a federal tax ID.

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Form Overview

IRS Form SS4SP - SS-4 (sp)

Form SS-4 (sp) is the Spanish‑language version of the IRS Application for Employer Identification Number (EIN). Use it when a business, nonprofit, trust, estate, or other entity needs a federal tax ID.

It captures the entity’s legal name, address, type, responsible party’s SSN/ITIN, and the purpose for the EIN.

Risk Radar

Scan points
  • 1A single typo can add weeks to getting your EIN.
  • 2Incorrect legal name spelling
  • 3Wrong responsible party SSN/ITIN
  • 4Choosing the wrong entity type
  • 5Missing or outdated address

Plain English

If you need a nine‑digit EIN for tax reporting, you fill out this short form. It asks for basic information about the entity, its owners, and the reason you need the number. The Spanish version is for applicants who prefer to work in Spanish.

Submission Date

  • Filing date: 2026-01-12 17:10:46
  • 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

identificationfederalentityparty

Hover a term to preview the meaning.

What this form is for

  • Use when you need an EIN and prefer Spanish instructions.
  • Do not use for sole proprietors who only need a Social Security Number.
  • Check Form W‑9 if you already have an EIN and just need a taxpayer identification number.

Form selector

Use this form or another form?

Forming a corporation

Must obtain EIN before filing Articles

✓ Verify entity type first

Form SS‑4 (sp)

Changing responsible party after EIN issuance

Not an EIN application

✓ File only for updates

Form 8822‑B

Deadline or filing window

There is no fixed filing deadline for an EIN. File as soon as you know you need the number, because activities like payroll, banking, or filing tax returns cannot proceed without it.

Checklist

What you need before filling it out

1

Legal name

Articles of incorporation, partnership agreement, or trust document · Formation paperwork

⚠ Misspelling or omission✕ High
2

Responsible party SSN/ITIN

Social Security card or ITIN letter · Government ID

⚠ Wrong number entered✕ High
3

Entity type

Formation documents · Articles, LLC agreement, estate court order

⚠ Selecting wrong box✕ Medium
4

Address

Utility bill or lease · Current mailing address proof

⚠ Out‑of‑date address✕ Medium

Before you submit

  1. 1Confirm form edition is 2024 or later
  2. 2Verify legal name matches formation documents
  3. 3Check responsible party SSN/ITIN for accuracy
  4. 4Select correct entity type and EIN reason
  5. 5Ensure mailing address is current and complete
  6. 6Sign and date the form in the appropriate field
  7. 7If filing by mail, use the correct IRS address
  8. 8If faxing, include cover sheet with “Form SS‑4 (sp)”
  9. 9Retain a copy of the completed form for your records
  10. 10Record the date of submission

How to file this form

  1. 1Gather formation documents and responsible party ID
  2. 2Download the latest SS‑4 (sp) PDF from IRS.gov
  3. 3Fill out the form in Spanish, double‑checking each entry
  4. 4Choose online submission for immediate processing, or fax/mail the paper copy
  5. 5If mailing, include a prepaid return envelope
  6. 6Track receipt confirmation (online confirmation number or fax receipt)
  7. 7Store the EIN confirmation letter when received

Known limitations

  1. 1The form does not calculate fees – EIN is free but other services may cost money
  2. 2Online portal may be unavailable during system maintenance
  3. 3Paper filing takes 4–6 weeks on average; timing not guaranteed
  4. 4Spanish version mirrors the English form; any updates appear simultaneously

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 IRS updates the SS‑4 (sp) annually; the latest edition is dated 2024. Verify the edition date before filing.

What changed or needs a fresh check

  • Edition date – 2024
  • Fee – none (EIN is free)
  • Mailing address – IRS Attn: EIN Operation, Cincinnati, OH 45999 (check instructions)
  • Fax number – 855‑215‑1627 (if filing by fax)
  • Online portal URL – https://www.irs.gov/es/businesses/small-businesses-self-employed/apply-for-an-employer-identification-number-ein

Form Preview

Form SS4SP page 1

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Form SS4SP page 2

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Quick Facts

Any entity that must obtain an EIN files this form, including corporations, LLCs, partnerships, estates, and nonprofits.
It captures the entity’s legal name, address, type, responsible party’s SSN/ITIN, and the purpose for the EIN.
File before you start payroll, open a bank account, or file any tax return that requires an EIN. There is no statutory deadline, but the EIN is needed before those activities begin.
Submit electronically via the IRS EIN online portal (Spanish option), by fax, or by mail to the address listed in the SS‑4 (sp) instructions.
Errors can delay EIN issuance, cause mismatched records, or trigger IRS notices that require correction.
1. Gather legal name, formation documents, and the responsible party’s SSN/ITIN. 2. Choose the correct entity type and reason for the EIN. 3. Complete the form in Spanish, signing where required. 4. Submit online for fastest processing, or fax/mail if you prefer a paper trail.

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After you file

  1. 1Save the EIN confirmation letter (CP 575) in a secure folder
  2. 2Update the entity’s bank account and payroll records with the EIN
  3. 3Record the EIN in your accounting software and on all tax filings
  4. 4Notify state agencies if they require the federal EIN
  5. 5Monitor mail for any IRS follow‑up notices
  6. 6Keep the original SS‑4 (sp) and supporting documents for at least 7 years

Sources

  • SRCIRS official SS‑4 (sp) PDFconfirms form purpose and fields
  • SRCIRS EIN online portalshows Spanish language option
  • SRCIRS instructions for Form SS‑4provides mailing and fax addresses
  • SRCIRS Publication 1635explains EIN application process
  • SRCIRS “Apply for an EIN” web pagestates no fee
  • SRCNot found in provided sourcedeadline specifics for EIN issuance

Common confusion points

EIN vs. SSN – EIN is for entities; SSN is for individuals; verify you need an EIN

Responsible party vs. owner – the responsible party is the person who controls the entity; not necessarily the majority owner

Choosing “Other” as EIN reason – requires a brief description; vague answers cause delays

Paper vs. online – both are valid, but online provides instant EIN; paper does not

Spanish form layout – fields match the English version; don’t skip any numbered line

Workflow map

Related forms and next steps

4 signals

Before

Form SS‑4 (sp) – gather formation documents

Current

SS4SP

After

Form CP 575 – EIN confirmation letter

Often used with

Form 941 – payroll tax reporting once EIN is assigned

⚠ If something goes wrong

  • Form 147C – request replacement EIN letter

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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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