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12 forms · from IRS.gov

Which tax return do you file?

Who files each form and when it is due, quoted from the IRS's own pages, with local preparers whose websites say they handle it.

Individuals and the self-employed

Form 1040 · The yearly personal income tax returnApril 15Schedule C · Business income for sole proprietors and freelancersWith its returnSchedule E · Rental, royalty and pass-through incomeWith its returnForm 1040-ES · Quarterly estimated tax paymentsApril 15, June 15, September 15 and January 15 of the following yearForm 1040-X · Correcting a return you already filedWith its returnForm 4868 · More time to file a personal returnApril 15

Businesses

Form 1065 · The yearly return for partnerships and multi-member LLCsMarch 15Form 1120-S · The yearly return for S corporationsMarch 15Form 1120 · The yearly return for C corporations15th day of the 4th month after the tax year endsForm 7004 · More time to file a business returnWith its return

Estates and trusts

Form 1041 · The yearly return for estates and trustsApril 15

Nonprofits

Form 990 · The yearly information return for tax-exempt organizationsMay 15

Common questions

Which return does my business file?

It depends on how the business is taxed. A sole proprietor or single-member LLC usually reports on Schedule C with Form 1040; a partnership or multi-member LLC files Form 1065; an S corporation files Form 1120-S; a C corporation files Form 1120. Each guide links the IRS page that sets the rule.

Who can prepare these returns for me?

Any paid preparer with a PTIN can prepare a return. CPAs and Enrolled Agents can also represent you before the IRS. The directory shows the credential the IRS lists for each preparer.

How does TaxScout know a firm handles a form?

TaxScout reads each listed firm’s own website and records which returns it names. A firm appears under a form only when its site says so; nothing is inferred from its name or credential.

Not tax advice. Due dates and rules are quoted from IRS.gov pages read on 2026-10-22; the IRS instructions for your tax year control. Got a letter instead? IRS notices explained →