United States Employer Identification Number Application (Form SS-4)

Online EIN assistant eligibility gate (not itself a Form SS-4 line item). The online assistant is limited to applicants whose principal place of business is in the U.S. or U.S. territories; if false, apply by fax, mail, or (international applicants only) telephone instead, using this same field set.

Online EIN assistant eligibility gate (not itself a Form SS-4 line item). The online assistant is limited to responsible parties identified by SSN or ITIN, not an EIN; if false, apply by fax or mail instead. See responsiblePartyTaxId for the actual identifier.

Personal/business identifier; handle as sensitive data. The legal name of the business, trust, estate, or individual applying — e.g. as it appears on the entity's formation document, or an individual's legal name for a sole proprietorship.

The 'doing business as' (DBA) name, if different from the legal name.

Personal identifier; handle as sensitive data. Required when the applicant entity is an estate or trust and correspondence should be directed to a named executor, administrator, or trustee.

Where the IRS will send the EIN confirmation notice (CP 575) and correspondence. A P.O. box is allowed here, unlike the principal (street) address.

If foreign, the instructions give a different city/province/postal-code format; see mailingAddressCountry.

Two-letter USPS state or territory abbreviation, e.g. CA, NY, TX. Not applicable to a foreign address; see mailingAddressCountry instead.

5-digit or ZIP+4 U.S. format, e.g. 90210 or 90210-1234. For a foreign address, give the foreign postal code here instead, per the instructions.

Required only when the mailing address is outside the United States; see the Form SS-4 instructions for the foreign address format.

The entity's actual physical/principal business location. Cannot be a P.O. box, unlike the mailing address.

Required only when principalAddressLine1 is given.

Two-letter USPS state or territory abbreviation. Required only when principalAddressLine1 is a U.S. address.

Required only when principalAddressLine1 is given.

Free-text county name and state, e.g. "Orange County, CA". Not applicable to every reason for applying (e.g. not needed for a banking-purpose-only application); see reasonForApplying.

Personal identifier; handle as sensitive data. The person who ultimately owns or controls the entity, or who exercises ultimate effective control. Per the Form SS-4 instructions, the responsible party must be an individual (a natural person), not an entity, except where the applicant itself is a government entity. Required on every EIN application regardless of reason for applying.

Personal identifier; handle as sensitive data. 9 digits, no separators. The IRS online EIN assistant additionally requires this to be an SSN or ITIN (not an EIN) and requires the responsible party themselves to be the applicant or their authorized representative.

Required for most applicants, but not on every path: the Form SS-4 "Do I Need an EIN?" table (page 2) excludes line 8a from the lines to complete for a plan administrator, an estate administrator, or a state/local tax-reporting agency. If true, also give llcMemberCount and llcOrganizedInUS, and see the instructions for the correct entityType box.

Required only when isLLC is true.

Required only when isLLC is true.

Check only one box. If isLLC is true, see the instructions for which box applies to the LLC (an LLC is not itself a box; it is classified as one of these types for tax purposes).

Required only when entityType is other_nonprofit_organization or other.

Required only when entityType is corporation, e.g. 1120 or 1120-S.

Personal identifier; handle as sensitive data. Required only when entityType is trust.

Personal identifier; handle as sensitive data. Required only when entityType is estate.

Personal identifier; handle as sensitive data. Required only when entityType is plan_administrator.

Applies only to certain nonprofit/church-affiliated group-ruling entities.

Two-letter USPS state abbreviation. Required only when entityType is corporation and the corporation was incorporated in the U.S.; use incorporationForeignCountry instead for a foreign incorporation.

Required only when entityType is corporation and the corporation was incorporated outside the U.S.

Check only one box.

Required when reasonForApplying is started_new_business (type of business), changed_type_of_organization (new type), created_a_trust (type of trust), created_a_pension_plan (type of plan), banking_purpose (purpose), or other.

YYYY-MM-DD. Not required on every reason-for-applying path (e.g. not needed for a banking-purpose-only application); see the Form SS-4 instructions for line 11.

The last month of the entity's accounting year (December for a calendar-year filer). Not required on every reason-for-applying path.

If 0, expectedAgriculturalEmployees, expectedHouseholdEmployees, and expectedOtherEmployees, along with line 14/15, may be left unanswered.

Only completed when highestExpectedEmployees is greater than 0.

Only completed when highestExpectedEmployees is greater than 0.

Only completed when highestExpectedEmployees is greater than 0.

Available only if expected employment tax liability is $1,000 or less in a full calendar year (generally, $5,000 or less in total wages, or $6,536 or less in a U.S. territory). If not checked, the entity must file Form 941 quarterly.

YYYY-MM-DD. If the applicant is a withholding agent, this is instead the date income will first be paid to a nonresident alien. Only applicable when employees are expected (highestExpectedEmployees greater than 0) or the entity is a withholding agent.

Check one box that best describes the principal activity. Not required on every reason-for-applying path.

Required only when principalActivity is other.

Free text, e.g. "Residential electrical contracting".

A new EIN is generally not issued to the same legal entity twice; see the instructions if unsure whether the entity already has one.

Required only when previouslyAppliedForEIN is true. Format NN-NNNNNNN.

Personal identifier; handle as sensitive data. Complete this section only to authorize a named individual to receive the entity's EIN and answer questions about this application; the designee's authority terminates once the EIN is assigned and released.

Required only when thirdPartyDesigneeName is given. In international E.164 format, e.g. +12025551234.

Required only when thirdPartyDesigneeName is given.

In international E.164 format, e.g. +12025551234.

Personal identifier; handle as sensitive data. The name and title (e.g. "Sole Proprietor", "Managing Member", "Trustee") of the person signing the application. See the applicantSignature attestation entry in documents[] for the perjury statement they are certifying to.

Personal identifier; handle as sensitive data. In international E.164 format, e.g. +12025551234. The IRS online EIN assistant may use this number to contact the applicant about the application.

In international E.164 format, e.g. +12025551234.