Employee ID Number

Recommended by IRS

Employer Identification Number

Information about Employer Identification Numbers (EIN), also known as a Federal Tax Identification Number. An EIN is used to identify a business entity.

Apply for an Employer Identification Number (EIN) online
Information about how to apply online for an Employer Identification Number.
Do you need a new EIN?
Generally, businesses need a new EIN when their ownership or structure has changed.

Written Testimony of Charles P. Rettig Commissioner Internal Revenue Service Before the Senate Appropriations Committee Subcommittee on Financial Services and General Government on the Filing Season and the IRS Budget

May 3, 2022 — The Commissioner speaks before the Senate Appropriations Committee Subcommittee on Financial Services and General Government on the Filing Season and the IRS Budget.
About IRS

Written Testimony of Charles P. Rettig, Commissioner, Internal Revenue Service, before the House Oversight Committee and Reform Committee Subcommittee on Government Operations on the Filing Season and IRS Operations

April 21, 2022 — The Commissioner speaks before the House Oversight Committee and Reform Committee Subcommittee on Government Operations on the Filing Season and IRS Operations.
About IRS

Netherlands technical explanation

TREASURY DEPARTMENT TECHNICAL EXPLANATION OF THE CONVENTION BETWEEN THE UNITED STATES OP AMERICA AND THE KINGDOM OF THE NETHERLANDS FOR THE AVOIDANCE OF DOUBLE TAXATION AND THE PREVENTION OF FISCAL EVASION WITH RESPECT TO TAXES ON INCOME SIGNED AT WASHINGTON ON DECEMBER 18, 1992 AND PROTOCOL SIGNED AT WASHINGTON ON OCTOBER 13, 1993 GENERAL EFFECTIVE DATE UNDER ARTICLE 37: 1 JANUARY 1994
General Information
Large Businesses

Slovenia Treasury explanation

Department of the Treasury Technical Explanation of the Convention Between the Government of the United States of America and the Government of the Republic of Slovenia for the Avoidance of Double Taxation and Prevention of Fiscal Evasion with Respect to Taxes on Income and Capital
General Information
Large Businesses