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Part 2: 2026 IRS Updates Every LLC Owner Needs to Know for Compliance

Tax Classifications

  • Disregarded Entity: Default for single-member LLCs. Report on Schedule C.
  • Partnership: Default for multi-member LLCs. File Form 1065.
  • S-Corp: Election required. File Form 1120-S.
  • C-Corp: Election required. File Form 1120.

Select classification.

2026 Deadlines

  • March 16, 2026: Partnerships and S-Corps. Form 1065 and Form 1120-S due.
  • April 15, 2026: Single-member LLCs and C-Corps. Form 1040 (Schedule C) and Form 1120 due.
  • September 15, 2026: Extended deadline for partnerships and S-Corps.

File on time.

S-Corp Election

  • Form 2553: Submit to elect S-Corp status.
  • Deadline: March 16, 2026.
  • Effective Date: Applies to the 2026 tax year if filed by the deadline.

Submit Form 2553.

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QBI Deduction

  • Benefit: 20% deduction on qualified business income.
  • Eligibility: Pass-through entities (Sole Prop, Partnership, S-Corp).
  • Thresholds: Monitor income limits for 2026.

Claim QBI.

Entity Election

  • Form 8832: Use for C-Corp classification.
  • Timing: File within 75 days of the effective date.
  • Impact: Removes QBI eligibility. Taxes at corporate rates.

File Form 8832.

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Operational Compliance

  • Reasonable Compensation: Pay W-2 wages to S-Corp owner-employees. Avoid IRS audits.
  • Self-Employment Tax: Pay on all profits for Partnerships and Sole Proprietors.
  • K-1 Issuance: Provide Schedule K-1 to partners and S-Corp shareholders by March 16, 2026.

Distribute K-1s.

Tax Payments

  • Estimated Taxes: Pay quarterly.
  • Vouchers: Use Form 1040-ES.
  • Deadlines: April, June, September, and January.

Pay quarterly.

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State Requirements

  • Annual Reports: File with the Secretary of State.
  • Franchise Tax: Pay applicable state business taxes.
  • Registered Agent: Maintain an active registered agent service.

Maintain status.

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