What Is 1094

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Last updated: April 12, 2026

Quick Answer: Form 1094 is an IRS tax form used by employers to transmit and report health insurance coverage information to the Internal Revenue Service under the Affordable Care Act. It serves as a cover sheet or transmittal document for Forms 1095-C and 1095-B, which detail individual employee health insurance coverage. Employers with 50 or more full-time employees are required to file Form 1094-C annually.

Key Facts

Overview

Form 1094 is a critical tax form issued by the Internal Revenue Service that employers use to report and transmit health insurance coverage information to federal authorities. Under the Affordable Care Act (ACA), large employers are legally required to file Form 1094 along with accompanying Forms 1095-C to demonstrate compliance with the employer mandate. This form serves as the primary transmittal document that aggregates information about employer-provided health insurance coverage across all employees within an organization.

The form comes in two main versions: Form 1094-C, which is filed by employers offering health insurance, and Form 1094-B, which is filed by health insurance issuers providing fully insured coverage. These forms are essential components of the ACA's enforcement mechanism, allowing the government to verify that large employers are meeting their obligations to provide affordable, qualifying health insurance coverage to their workforce. Understanding Form 1094 is crucial for employers, HR professionals, and employees seeking to comprehend how health insurance reporting works in the modern tax system.

How It Works

Form 1094 operates as a summary document within a larger reporting system designed to ensure employer compliance with the Affordable Care Act. Here's how the key components function:

Key Details

Form TypeFiled ByPrimary PurposeKey Requirement
Form 1094-CEmployers with 50+ full-time employeesTransmit employer health coverage informationDemonstrate 95% of eligible employees were offered coverage
Form 1094-BHealth insurance providers and issuersReport fully insured coverage detailsDocument individuals with minimum essential coverage
Filing DeadlineBoth employers and insurersSubmit to IRS and employeesFebruary 28 (paper) or March 31 (electronic)
Related FormEmployers and insurersIndividual-level coverage detailsForms 1095-C (employer) or 1095-B (insurer) must accompany

The specific information required on Form 1094-C includes the employer's offer of coverage percentage, the number of full-time equivalents, and whether the employer contributed to a health savings account or flexible spending account. The form must be signed under penalty of perjury by an authorized representative of the employer, emphasizing the seriousness of accurate reporting. Employers who fail to file timely or accurate Form 1094 information face potential penalties ranging from $100 to $300 per form, depending on the severity and timing of the failure. The form is submitted electronically to the IRS using ACES (Affordable Care Act Information Returns System).

Why It Matters

Form 1094 represents a cornerstone of the Affordable Care Act's enforcement framework, creating accountability and transparency in the employer health insurance system. For millions of employers and employees, the accurate completion and filing of Form 1094 directly impacts tax liability, subsidy eligibility, and compliance with federal healthcare law. As the healthcare landscape continues to evolve, staying informed about Form 1094 requirements remains essential for both organizational compliance and personal financial planning.

Sources

  1. About Form 1094-C - Internal Revenue ServicePublic Domain
  2. U.S. Code Title 10, Section 1094Public Domain
  3. Important Things to Know About ACA Forms 1094 and 1095Copyright Equifax

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