Just Landed
Your First US Tax Return: The Newcomer's Complete Primer
7 min read · Updated July 12, 2026
Almost everyone earning in the US must file a federal return by the April deadline — and your first year is the trickiest one you'll ever file, because your residency status for tax purposes may not be what you assume.
First question: resident or nonresident?
The IRS decides by two tests: the green-card test, and the substantial presence test — a day-count formula across three calendar years (all days this year, one-third of last year's, one-sixth of the year before, totaling 183+). Tax residents report worldwide income on Form 1040; nonresidents report US-source income on Form 1040-NR.
Two newcomer wrinkles matter enormously. First: F-1 and J-1 students are 'exempt individuals' whose US days don't count toward substantial presence for their first five calendar years — so most students are nonresidents filing 1040-NR (and Form 8843 even with zero income). Second: many mid-year arrivals are dual-status — nonresident for part of the year, resident for the rest — a filing complex enough that professional help usually pays for itself once.
The paperwork year, on a calendar
January: employers must send Form W-2 (your wages and withholding); banks send 1099-INT for interest; brokerages send consolidated 1099s. February–April: you file federal and, where applicable, state returns — most states with income tax have their own filing. April: the federal deadline (extensions extend filing, never payment).
If you kept Indian accounts or income, two more layers apply once you're a tax resident: worldwide income reporting (Indian interest is US-taxable even after Indian TDS — the treaty prevents double taxation through credits, not through silence), and the FBAR/FATCA disclosure regimes covered in our NRI Tax 101 guide. Missing disclosures carry penalties far out of proportion to the accounts involved.
Free help, and the frauds to dodge
Official free options: IRS Free File (income-limited), IRS Direct File where available, and the VITA program's free in-person preparation for qualifying taxpayers. University international offices typically license nonresident-specific software for students — use it rather than resident tools that file the wrong form.
Avoid 'ghost preparers' who won't sign returns they prepare (the IRS warns about them every season), anyone promising refunds before seeing your documents, and 'IRS' phone calls demanding payment — the IRS initiates contact by letter, and never by threatening call, text or gift-card demand.
Your first-year document folder
Collect as the year runs, not in April: every pay stub's final version (W-2 reconciliation), bank and brokerage statements, Form 1098-T if you paid US tuition, receipts for state-deductible items, your I-94 travel history and passport stamps (residency day-counts), and the Indian side — account statements with peak balances, TDS certificates, and rent or interest records for anything you still earn there.
First-year filers also decide software versus professional: dual-status years, treaty claims and FBAR thresholds are the three flags that justify a cross-border preparer once; plain single-status years file cleanly through the IRS free options.