US tax basics for new arrivals from India
Your first US tax year is the confusing one. These are the IRS rules that decide which form you file and when. A licensed CPA or enrolled agent can tell you how they apply to you.
Facts checked Oct 25, 2026

You are a US tax resident if you were here at least 31 days this year and 183 days over three years, counting all days this year, a third of last year and a sixth of the year before (students’ days are generally exempt). Nonresidents file 1040-NR, due April 15 if wages had US withholding, otherwise June 15.
- Count your days31 days this year, then the 183-day weighted total.
- Pick the formResident: 1040. Nonresident: 1040-NR.
- Know the deadlineApril 15, or June 15 for some nonresidents.
- Get helpVITA, IRS office, or a licensed CPA or EA.
Am I a resident for tax?
Substantial presence test: at least 31 days in the current year and 183 days over three years, counting all current-year days, one third of the prior year and one sixth of the year before. Days as an F, J, M or Q student are generally exempt and usually need Form 8843.
Source: irs.gov ↗as of Oct 25, 2026
Forms and deadlines
Nonresidents file Form 1040-NR. It is due April 15 if you had wages with US withholding, otherwise June 15. Form 4868 requests an extension.
Source: irs.gov ↗as of Oct 25, 2026
ITIN for a spouse or children
An ITIN is for people with a federal tax purpose who cannot get an SSN. Apply with Form W-7, usually attached to the return. It takes about 7 weeks, or 9 to 11 weeks from January 15 to April 30 or from overseas.
Source: irs.gov ↗as of Oct 25, 2026
Treaty and free help
The US-India income tax treaty documents are on the IRS site.
Source: irs.gov ↗as of Oct 25, 2026
Free tax preparation is offered at VITA sites; find one by ZIP code.
Source: irs.treasury.gov ↗as of Oct 25, 2026
- IRS office locator (Charlotte office) ↗844-545-5640
- IRS directory of tax preparers ↗Check a CPA, EA or attorney’s credentials
- Tax, legal and finance listings →
Questions people ask
Do I file 1040 or 1040-NR in my first year on H-1B?
It depends on the substantial presence test and your dates. The IRS pages linked here explain it; a licensed CPA or EA can apply it to your case.