The IRS issues 4 types of tax identification numbers to uniquely identify individuals, businesses, and organizations:
- Social Security Number (SSN)
- Individual Tax Identification Number (ITIN)
- Tax Identification Number (TIN)
- Employer Identification Number (EIN)
For the CIF codes we use for tax ID numbers, see the Tax Identification Number (TIN) Type Codes.
Personal Accounts Requirements
A Social Security Number (SSN) or Individual Tax Identification Number (ITIN) is required for all owners/signers (U.S. Citizen, Resident Alien, Non-Resident Alien) who have the following:
SSN - Standard - W9 (Signature Card or W9)
This number is issued to U.S. citizens and resident aliens (people lawfully admitted to the United States on a permanent basis). The SSN card lists the name and SSN of the individual and allows the individual to work without restriction.
Certify the SSN by having the client sign the signature card or completing a W-9 form.
SSN – Valid For Work Only Card - W8-BEN Required
This number is issued to individuals lawfully admitted to the United States on a temporary basis who have department of Homeland Security authorization to work (non-resident aliens). This SSN card lists the name and Social Security number of the individual and displays the following statement: VALID FOR WORK ONLY WITH OHS AUTHORIZATION.
Certify the SSN by having the client complete the W8-BEN form.
SSN – Not Valid For Employment Card - W8-BEN Required
This number is issued to the following individuals from other countries:
- Those lawfully admitted to the United States without work authorization from Department of Homeland Security, but who have a valid non-work reason for needing a SSN
- Those who need a SSN due to a federal law requiring a SSN to obtain a benefit or service
This SSN card lists the name and SSN of the individual and displays the following statement: NOT VALID FOR EMPLOYMENT.
Certify the ITIN by having the client complete a W8-BEN form.
ITIN - Individual Tax Identification Number -
W8-BEN Required
The ITIN is a tax-processing number issued by the Internal Revenue Service to individuals required to have a U.S. taxpayer identification number but who do not have, and are not eligible to obtain, a SSN from the Social Security Administration (SSA). An ITIN is a tax processing number issued by the Internal Revenue Service.
Certify the ITIN by having the client complete a W8-BEN form.
Business Account Requirements
An Employer Identification Number (EIN) is required for all business entities. See below for additional details.
EIN - Employer Identification Number
The EIN is an identification number issued by the IRS to identify the tax accounts of employers and certain other business entities.
These cards are issued to domestic and foreign business entities including:
- Corporations
- Estates
- Exempt organizations
- Limited liability companies
- Partnerships
- Sole proprietorships
- Trusts
Depending on the type of entity, certify the EIN as follows:
- Domestic -- have the client sign the signature card or complete a W-9 form
- Foreign -- have the client complete a W-8BEN-E form
Authorized Individual Present at account opening
A SSN or ITIN is required for all officer(s) or signer(s) present at account opening.
Authorized Individual Not Present at account opening
A SSN or ITIN is not required for officer(s) or signer(s) not present at account opening. The following information is required:
- Name
- Address
- Date of Birth
- Occupation