Glossary term

Form 2553 - S Corporation Election

Form 2553 is the IRS form eligible corporations and LLCs use to elect S corporation tax treatment.

Updated

May 21, 2026

Read time

3 min read

What Is Form 2553?

Form 2553 is the IRS form used by an eligible corporation, or an eligible entity such as an LLC electing corporate tax treatment, to choose S corporation status for federal tax purposes. The official form title is Election by a Small Business Corporation.

The election can change how business income is taxed. Instead of being taxed as a C corporation, an eligible S corporation generally passes income, losses, deductions, and credits through to shareholders.

Key Takeaways

  • Form 2553 is used to elect S corporation tax status.
  • The business must meet eligibility rules for S corporation treatment.
  • LLCs can sometimes use Form 2553 as part of electing S corporation tax treatment.
  • The election has timing rules, shareholder consent requirements, payroll implications, and ongoing compliance obligations.

How Form 2553 Works

A business files Form 2553 with the IRS when it wants S corporation treatment and meets the eligibility requirements. The form asks for information about the corporation, tax year, shareholders, consent, and effective date of the election.

For an LLC, the election is a tax classification choice, not a change in state-law entity type. The LLC may remain an LLC under state law while being taxed as an S corporation federally if the election is valid and the entity qualifies.

S Corporation Election Context

Issue

Why it matters

Eligibility

Not every corporation or LLC can be an S corporation.

Timing

Late or missed filing can affect the effective date.

Shareholder consent

Shareholders generally must consent to the election.

Payroll

Owner-employees may need reasonable compensation through payroll.

Tax and Business Effects

Form 2553 can be important for closely held businesses because S corporation status may affect payroll taxes, owner compensation, distributions, losses, basis, and entity-level tax exposure. It is not automatically better than partnership, disregarded entity, or C corporation treatment.

The choice depends on ownership structure, expected profit, compensation, state tax rules, future investors, exit plans, and administrative capacity. The election can be useful, but it also adds formal tax and payroll responsibilities.

What Can Go Wrong

Form 2553 problems often come from filing late, missing shareholder consent, choosing an invalid effective date, or assuming the election fixes every tax issue. The election also does not remove the need for bookkeeping, payroll compliance, owner basis tracking, and state-level review.

For an LLC, the decision should also fit the operating agreement. Tax classification can affect how owners expect to receive compensation and distributions.

The Bottom Line

Form 2553 is the IRS election form for S corporation tax treatment. It can change how a business and its owners are taxed, but the election must fit the entity's eligibility, ownership, payroll, and long-term business plans.

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