US Federal, State & Cross-Border Tax Guides

IRS Audits & Notices

Sep 26, 2026 • 4 min read

IRS Notice CP2000 Underreported Income: How to Respond, Dispute & Abate Penalties

Received an automated CP2000 notice proposing thousands in taxes on stock sales or 1099 income? How the IRS Automated Underreporter (AUR) works and ho...

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Real Estate & Deductions

Sep 25, 2026 • 4 min read

US Real Estate Rental Property Taxation: Schedule E, Depreciation & $25K Passive Loss Allowance

Maximizing tax deductions on residential rental properties. How MACRS 27.5-year depreciation creates tax-free cash flow, Section 469 passive activity...

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Multi-State Taxes

Sep 24, 2026 • 4 min read

Remote Work Multi-State Income Taxes: The Convenience of Employer Rule & Resident Credits

Telecommuting across state lines? Understand how New York and other states tax remote workers, how to apportion W-2 Box 16 wages, and how to avoid dua...

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Business & LLC

Sep 23, 2026 • 4 min read

US Single-Member LLC Owned by Nonresidents: Filing Form 5472 & Form 1120

Foreign entrepreneurs operating US LLCs face mandatory reporting under IRC § 6038A. How to assemble pro-forma Form 1120 with Form 5472 and avoid the $...

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Students & Visas

Sep 22, 2026 • 4 min read

F-1 OPT & CPT FICA Tax Refund: How to Reclaim Improper Social Security & Medicare Withholdings

Did your employer erroneously deduct 6.2% Social Security and 1.45% Medicare taxes on OPT or CPT? Step-by-step guide to reclaiming FICA taxes via empl...

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Cross-Border FBAR/FATCA

Sep 21, 2026 • 4 min read

Indian Mutual Funds & SIPs Under US Tax Law: The Ultimate PFIC Form 8621 Guide

Why Indian mutual funds, SIPs, and offshore ETFs are classified as Passive Foreign Investment Companies (PFICs). How Section 1291 excess distribution...

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US Tax Residency

Sep 19, 2026 • 4 min read

H-1B to Green Card Dual-Status Alien Tax Filing: Complete CPA Roadmap

Navigating the complex transition year between nonresident and resident alien status. How dual-status returns work, reporting worldwide vs US source i...

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Tax Treaties

Sep 17, 2026 • 4 min read

US-India Tax Treaty: Claiming Article 21 & 22 Exemptions for Students and Scholars

An in-depth analysis of Article 21(2) of the US-India Double Tax Avoidance Agreement. How Indian students on F-1 visas legally claim the US standard d...

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Cross-Border FBAR/FATCA

Sep 15, 2026 • 4 min read

FBAR FinCEN 114: How Indian Bank Accounts, FDs & Mutual Funds are Taxed in the US

A comprehensive guide for Indian expats and NRIs holding NRE, NRO, FCNR, EPF, and Demat accounts. Understand the $10,000 aggregate threshold, reportin...

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US Tax Residency

Sep 12, 2026 • 4 min read

Complete 2026 Guide to Form 1040 vs 1040-NR: Substantial Presence Test Explained

Determining your statutory US tax residency under IRC § 7701(b). Learn the exact formula for the Substantial Presence Test, exempt individual exceptio...

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