Application for Individual Taxpayer Identification NumberApplication for IRS Individual Taxpayer Identification NumberIRS ITIN applicationITIN application / renewal formITIN application form
Federal income tax withholding request for certain government paymentsIRS Form W-4VSocial Security tax withholding formTax withholding request for benefits or other eligible government paymentsVoluntary Withholding Request
Executor or Personal Representative Notice to the IRSFiduciary Notice to the IRSFiduciary Relationship NoticeIRS Form 56Notice of Fiduciary Relationship
Exempt individual statementForm 8843Medical condition statement for excluded days of presenceStatement for Exempt Individuals and Individuals with a Medical ConditionSubstantial presence test exempt-days form