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5 resources from irs.gov we point founders to, and the questions each answers.

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The IRS page for applying for an EIN: free, issued immediately online for applicants with a US principal place of business and an SSN or ITIN, and by phone, fax or mail for everyone else.

Get an Employer Identification Number

From irs.gov by Internal Revenue Service Government page

  • An EIN is free; never pay a site for the number.
  • The online form needs a US place of business and an SSN or ITIN.
  • Founders outside the US apply by phone, fax or mail.
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Answers How do I form an LLC in the US as a founder from India? How do I get an EIN for a US company?
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The official instructions, including the international phone line (267-941-1099, 6 a.m. to 11 p.m. Eastern, weekdays) that issues an EIN on the call, and the Fax-TIN route (304-707-9471 from outside the US) that returns one in about 4 business days.

Instructions for Form SS-4 (12/2025)

From irs.gov by Internal Revenue Service Instructions

  • International applicants can get an EIN by phone the same day.
  • By fax, expect the EIN back within about 4 business days.
  • Fill every line of SS-4 for the company, not for yourself.
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Answers How do I get an EIN for a US company?
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Where to download the current Form SS-4 and its instructions.

About Form SS-4, Application for EIN

From irs.gov by Internal Revenue Service Form page

  • Download the current SS-4 here.
  • Keep a signed copy with the EIN written on it.
  • The same form covers corporations and LLCs.
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Answers How do I get an EIN for a US company?
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The IRS instructions for Form 5472, which a foreign-owned US disregarded entity, such as a single-member LLC owned by an Indian founder, must file each year, with the $25,000 penalty for failing to.

Instructions for Form 5472 (IRS)

From irs.gov by Internal Revenue Service

  • A foreign-owned single-member LLC files Form 5472 every year.
  • Failure to file carries a $25,000 penalty.
  • It reports transactions between the LLC and its foreign owner.
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Answers How do I form an LLC in the US as a founder from India?
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The IRS's own free filing program for US individuals, which covers a sole proprietor's Schedule C. Guided software is free with adjusted gross income of $95,000 or less; the page says the program reopens in January 2027.

IRS Free File: do your federal taxes for free

From irs.gov by Internal Revenue Service Program page

  • Free File Fillable Forms have no income limit but give no guidance.
  • US only, and individuals only: a corporation needs paid software or a preparer.
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Answers Which tax software should a small business use to file its taxes?
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