State Individual Mandate Employer Reporting: The 2026 Guide

2026-09-11 • 9 min read

Five states plus Washington D.C. enforce individual health insurance mandates with their own employer reporting deadlines, separate from federal ACA filing. Here is what applies in each one for 2026.

Quick Answer (as of 2026): Five states, California, Massachusetts, New Jersey, Rhode Island, and Washington D.C., enforce individual health insurance mandates with employer reporting duties beyond federal ACA rules. Employers with residents in these states must file state-specific forms, such as Massachusetts Form MA 1099-HC, by January 31, or transmit federal Forms 1094/1095 to state tax agencies on separate deadlines from the IRS.

A small business that already files federal Forms 1094-C and 1095-C each year for the Affordable Care Act often assumes that filing covers every requirement. It does not. Five states plus the District of Columbia layer their own individual health insurance mandates on top of the federal rules, and each one sets its own reporting deadline, form, and penalty structure for employers. Missing a state filing does not trigger an IRS notice. It triggers a separate one from the state, often months after the federal deadline has already passed.

This guide covers what applies in California, Massachusetts, New Jersey, Rhode Island, and Washington D.C. for the 2026 filing season, plus why Vermont is the one mandate state with no separate employer filing at all. For the federal side of this reporting, see our ACA employer mandate guide and our Form 1095-C explainer.

Which States Have an Individual Health Insurance Mandate in 2026?

Six jurisdictions currently maintain an individual health insurance mandate: California, Massachusetts, New Jersey, Rhode Island, Vermont, and Washington D.C. Five of the six, every one except Vermont, impose a financial penalty on residents who go without qualifying coverage and require employers or insurance carriers to report on the coverage they provided. Massachusetts was first, predating the federal ACA mandate entirely, while New Jersey, Rhode Island, Vermont, and Washington D.C. all adopted their own mandates between 2019 and 2020, shortly after Congress zeroed out the federal individual mandate penalty starting in 2019.

What Does Massachusetts Require From Employers?

Massachusetts requires employers to issue Form MA 1099-HC to every employee enrolled in the employer's health plan by January 31 of the following year, according to the Massachusetts Department of Revenue. This applies whether the plan is fully insured, self-funded, level-funded, or an ICHRA. Insurance carriers or third-party administrators typically handle this filing on a fully insured employer's behalf, but a self-funded employer without that support must submit the same information electronically through the Department of Revenue's bulk filing process, also due January 31.

Employers who fail to distribute or file the required forms face a penalty of $50 per individual, up to a maximum of $50,000, per the Massachusetts Department of Revenue. Separately, any employer with six or more employees in Massachusetts must file a Health Insurance Responsibility Disclosure (HIRD) form through MassTaxConnect by December 15 of the reporting year, a requirement that funds the state's MassHealth Premium Assistance Program and has no equivalent in any other mandate state.

What Does New Jersey Require From Employers?

New Jersey requires employers that provide group coverage to New Jersey residents to file the same federal Forms 1094-C and 1095-C, or 1094-B and 1095-B, that they already prepare for IRS purposes, submitted electronically to the New Jersey Division of Taxation by March 31 for the prior tax year. New Jersey only requires Parts I and III of Form 1095-C, not the full form. Employers must also distribute a Form 1095 to each primary enrollee who was a New Jersey resident by March 3, and New Jersey accepts electronic filing only, with no paper option for employers of any size.

Summit Health Benefits tracks state filing deadlines for every state your employees live in. We confirm which state mandates apply to your workforce and flag the forms and dates before they become a problem. Talk to a Summit specialist.

What Does California Require From Employers?

California requires insurance carriers and self-insured employers, including those with level-funded plans and ICHRAs, to transmit the same IRS Forms 1094/1095-B or C used for federal reporting to the California Franchise Tax Board by March 31, with no penalty if filed by May 31. Employers must also provide the applicable 1095 forms to employees by January 31, though California will not penalize an employer that misses that specific date since it defers to the federal distribution deadline in practice. Employers who fail to file with the Franchise Tax Board face a $50 penalty per unfiled return, and any organization filing more than 250 forms must file electronically.

What Do Rhode Island and Washington D.C. Require?

Rhode Island and Washington D.C. both accept the same federal Forms 1094 and 1095 employers already file with the IRS, rather than requiring a separate state-specific form. Rhode Island requires distribution to individuals by March 3 and filing with the Division of Taxation by March 31, with penalties reviewed on a case-by-case basis. Washington D.C. requires electronic filing with the Office of Tax and Revenue 30 days after the applicable IRS deadline, including any IRS-granted extensions, and does not separately require distributing statements to employees since it relies on the federal March 3 distribution deadline being met instead.

Does Vermont Require Employer Reporting Too?

No. Vermont's individual mandate, in effect since January 1, 2020, requires residents to report their own coverage rather than requiring a separate employer or carrier filing with the state. Vermont has not set a penalty for residents who go without coverage or for anyone who fails to report it, which makes Vermont the one mandate state where an otherwise-compliant federal ACA filer has no additional state-level filing to track.

What Happens if an Employer Misses a State Filing Deadline?

The consequence depends entirely on the state. Massachusetts and California both impose a flat $50 penalty, per individual in Massachusetts and per unfiled return in California, up to a $50,000 cap in Massachusetts. New Jersey and Washington D.C. have not specified a penalty amount in either state's guidance, and Rhode Island reviews penalties case-by-case rather than applying a fixed schedule. A missed state deadline does not show up on a federal IRS notice, so an employer relying only on its federal ACA compliance calendar can miss a state deadline by months before anyone catches it.

How Does This Affect Employers With Remote Workers Across State Lines?

An employer with even one remote employee living in Massachusetts, California, New Jersey, Rhode Island, or Washington D.C. can trigger that state's filing requirement, regardless of where the company itself is headquartered. This catches small employers off guard most often when a single remote hire lives in a mandate state the company has no other presence in. For a fuller look at how a distributed workforce changes benefits compliance generally, see our guide to Section 125 plans for remote employees across multiple states.

Frequently Asked Questions

Which states have an individual health insurance mandate in 2026?

California, Massachusetts, New Jersey, Rhode Island, Vermont, and Washington D.C. all maintain an individual mandate in 2026. Five of the six, every state except Vermont, also impose a financial penalty on residents without coverage and require a separate employer or carrier filing.

What is Form MA 1099-HC and who has to file it?

Form MA 1099-HC is the Massachusetts form employers must issue to every employee enrolled in the employer's health plan by January 31, per the Massachusetts Department of Revenue. It applies whether the plan is fully insured, self-funded, level-funded, or an ICHRA, though carriers typically file it on a fully insured employer's behalf.

Do federal Forms 1094-C and 1095-C satisfy state reporting requirements?

Partially. New Jersey, Rhode Island, and California all accept the same federal forms an employer already files with the IRS, transmitted separately to the state agency by the state's own deadline. Massachusetts requires its own Form MA 1099-HC instead of the federal forms, so filing federally does not satisfy the Massachusetts requirement.

What penalty applies if an employer misses a state filing deadline?

Massachusetts imposes a $50 penalty per individual up to $50,000, and California imposes a $50 penalty per unfiled return, both according to each state's tax agency. New Jersey and Washington D.C. have not specified a penalty amount, and Rhode Island reviews penalties on a case-by-case basis.

Does a remote employee in a mandate state create a filing obligation?

Yes. An employer with even one employee living in California, Massachusetts, New Jersey, Rhode Island, or Washington D.C. can trigger that state's reporting requirement, regardless of where the employer is headquartered or how many total employees it has.

Does Vermont require a separate employer filing?

No. Vermont's individual mandate requires residents to report their own coverage rather than requiring an employer or carrier filing with the state, and Vermont has not set a penalty for noncompliance. Vermont is the only mandate state without a separate employer-side filing to track.

When is the Massachusetts HIRD form due, and who has to file it?

The Health Insurance Responsibility Disclosure (HIRD) form is due December 15 of the reporting year through MassTaxConnect, and it applies to any employer with six or more employees in Massachusetts. It is separate from Form MA 1099-HC and funds the state's MassHealth Premium Assistance Program.

Do insurance carriers handle state mandate filing automatically?

Often, but not always. A fully insured employer's carrier commonly files Massachusetts, California, and Rhode Island forms on the employer's behalf, but a self-funded employer, including one with a level-funded plan or an ICHRA, is generally responsible for filing directly with the state itself.

Sources

This article cites reporting rules and deadlines published by the Massachusetts Department of Revenue, the New Jersey Division of Taxation, the California Franchise Tax Board, the Rhode Island Division of Taxation, the Washington D.C. Office of Tax and Revenue, and the Internal Revenue Service's Forms 1094-C and 1095-C instructions.

Explore Employer Benefits With WoW Health