Federal Employer Identification Number

Topic Index

A	B	C	D	E	F	G	H	I
J	K	L	M	N	O	P	Q	R
S	T	U	V	W	X	Y	Z	#

FAQs
Forms
Publications
Tax Topics

Comments
About Tax Map

IRS.gov Website

Federal Employer Identification Number

EIN
Employer Identification Number
Federal Tax ID Number


Forms and Instructions

Relevant Forms

Form SS-4 Application for Employer Identification Number

SS-4 Instructions for Form SS-4, Application for Employer Identification Number

Form SS-4 (PR) Solicitud de Numero de Identificacion Patronal (EIN)

SS-4 (PR) Instrucciones para la Forma SS-4PR, Solicitud de Numero de Identificacion Patronal (EIN)


Publications

Related Publications

Publication 1635 Understanding Your EIN

Publication 4248 Pre-Enrolled EIN Brochure

Links Inside Publications

Publication 15 - Circular E, Employer's Tax Guide - 1. Employer Identification Number (EIN)

1. Employer Identification Number (EIN). If you are required to report employment taxes or give tax statements...

Publication 80 - Circular SS - Federal Tax Guide for Employers in the U.S. Virgin Islands, Guam, American Samoa, and the Commonwealth of the Northern Mariana Islands - 2. Employer Identification Number (EIN)

2. Employer Identification Number (EIN). An employer identification number (EIN) is a nine-digit number that...

Publication 583 - Starting a Business and Keeping Records - Identification Numbers

Employer Identification Number (EIN). EINs are used to identify the tax accounts of employers, certain sole...

Frequently Asked Questions