Sole Proprietorship

IRS Publication 334

IRS Tax Form: Schedule C, Form 1040

»  Sole Proprietorship Tax Election

Partnership

IRS Publication 541

IRS Form 1065

»  Partnership Tax Election

S Corporation

No IRS Publication

IRS Form 1120S

May also see: Election by a Small Business Corporation

»  S Corporation Tax Election

C Corporation

IRS Publication 542

IRS Form 1120

»  C Corporation Tax Election

Limited Liability Company

IRS Publication 541

IRS Form 1065

»  A limited liability may be taxed as a: sole proprietorship (Single-Member LLC), Partnership, S Corporation, or C Corporation.

Other Illinois Business Tax Elections

»  Sole Proprietorship Tax Election
»  Partnership Tax Election
»  S-Corp Tax Election
»  C-Corp Tax Election


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