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Who Must File Form 1040-NR: Key Nonresident Filing Requirements

Nonresident aliens with U.S. source income, U.S. business activity, or certain special taxes generally must file Form 1040-NR. Filing can…

Nonresident Alien Withholding: Key Rules for U.S. Source Income

Foreign persons’ U.S.-source income is classified as ECI (trade or service-related, taxed at graduated rates) or FDAP (passive income, typically…

Resident vs Nonresident Alien: Filing Requirements and Tax Obligations

Foreign taxpayers must first determine resident or nonresident status. Nonresidents typically file Form 1040-NR and face 30% withholding on U.S.-source…

Medical Expense Deductions on the Decedent’s Final Return

For 2025, medical costs paid before death are deductible on the final Form 1040 if itemized and over 7.5% of…

Income Tax Forgiveness for Deaths in Terrorist or Military Action

This federal rule forgives a deceased service member’s federal income tax for the tax year of death and certain earlier…

Signing the Decedent’s Final Return: Signatures and DECEASED Notation

Confirm whether a court-appointed personal representative exists; that person must sign the final return. Surviving spouses may file joint returns…

IRD Essentials: Tax Rules, Reporting, and Basis Implications

IRD is unpaid taxable income owed to a decedent but paid after death. It keeps its tax character, receives no…

Final Decedent’s 1040: Deadlines, Filers, and Estate Considerations

A decedent’s tax year ends at death; final Form 1040/1040‑SR is usually due April 15. Post‑death income goes on Form…