IRS Rules for Non-Residents

IRS Rules & Regulations

Publication 1915 : Understanding your ITIN

Publication 515: Withholding of Tax on Nonresident Aliens and Foreign Entities

Publication 519: US Tax Guide for Aliens

Publication 901: US Tax Treaties

Internal Revenue Bulletin 2000-4

Internal Revenue Bulletin 2001-2

Internal Revenue 2003-32

Internal Revenue Bulletin 2004-14

Internal Revenue Bulletin 2005-51

SSA & IRS Forms

Form SS-4

Form SS-5

Form W-7

Form W-8,-Certificate-of-Foreign-Status

Form W-8BEN

Form W-8ECI,-Certificate-of-Foreign-Person%27s-Claim-That-Income-Is-Effectively-Connected-With-the-Conduct-of-a-Trade-or-Business-in-the-United-States

Form W-8EXP

Form 945

Form 1040NR

Form 1042,-Annual-Withholding-Tax-Return-for-U.S.-Source-Income-of-Foreign-Persons

Form 8804, 8805 and 8813