SS-4

Business & Finance abbreviation · Tax

SS-4
Stands forApplication for Employer Identification Number (IRS Form SS-4)
CategoriesBusiness & Finance

SS-4 stands for Application for Employer Identification Number (IRS Form SS-4), a tax abbreviation.

Application used to obtain an EIN for a business, estate, trust, nonprofit or household employer. Most applicants can complete the equivalent free online application and receive the number immediately.

Example: The lawyer filed an SS-4 for the trust so it could open a brokerage account.

Usage notes

The online application is available during set hours on weekdays; applicants without a US taxpayer identification number must apply by fax or mail. Websites that charge a fee to obtain an EIN are not affiliated with the IRS.

More tax abbreviations

  • QST – Quebec sales tax
  • SALT – State and local taxes
  • SDI – State disability insurance
  • SDLT – Stamp Duty Land Tax
  • SECA – Self-Employment Contributions Act tax
  • SIT – State income tax
  • SSA-1099 – Social Security Benefit Statement (Form SSA-1099)
  • SUTA – State Unemployment Tax Act
  • TDS – Tax deducted at source
  • TFN – Tax file number
  • TIN – Taxpayer identification number
  • UTR – Unique Taxpayer Reference

See all 116 tax abbreviations →