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1099 contractor vs W-2 employee: how does the IRS decide worker classification?

The IRS decides whether a worker is a 1099 contractor or W-2 employee using the common law control test under Section 3121(d) and 26 CFR 31.3121(d)-1, which applies to services performed after 1954. The primary factor is whether the employer has the right to control the worker not only as to the result but also as to the details and means of accomplishing the work, with the right to discharge being an important indicator. Other factors include whether the employer furnishes tools and a place to work, while workers subject only to result-based control are independent contractors. The label the parties use is immaterial if the actual relationship is employer-employee.

Last verified: 2026-08-24 · Sources checked: 1/1 resolving · Next scheduled review: 2026-11-22

Details / How it works

The IRS uses three separate and independent tests under Section 3121(d) to determine employee status: the corporate officer test, the common law rules test, and the occupational group test. Under the common law rules, an employee is someone subject to the will and control of the employer not only as to what shall be done but how it shall be done. The right to control need not be actually exercised; it is sufficient if the employer has the right to do so. The right to discharge is an important factor indicating employer status, along with the furnishing of tools and a place to work. If a worker is subject to control only as to the result and not the means, they are an independent contractor. Individuals in independent trades or professions who offer services to the public are generally independent contractors. If an individual qualifies as an employee under any one of the three tests, they are considered an employee for payroll tax purposes.

Numbers & thresholds

No specific numerical thresholds apply to the worker classification analysis. The regulatory framework applies to services performed after 1954, with doubtful cases determined by examining the particular facts of each case.

Exceptions & edge cases

The designation or description of the relationship by the parties as anything other than employer-employee is immaterial. Corporate directors in their capacity as such are not employees. Corporate officers who perform no services or only minor services and receive no remuneration are not employees. All classes or grades of employees are included within the employer-employee relationship. Whether the relationship exists under the common law rules will in doubtful cases be determined upon an examination of the particular facts of each case.

Sources

[1]Office of the Federal Register / GPO — Electronic Code of Federal Regulations (eCFR) — 26 CFR 31.3121(d)-1 — Who are employees · as of 2026-08-24

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