401(h) Retirement Plan Management
Admin316 Fiduciary Oversight & Compliance

A 401(h) plan—also known as a medical benefit sub-account—is a powerful tool that allows employers to provide tax-advantaged retiree healthcare benefits through their qualified retirement plan. Often paired with a Defined Benefit or Cash Balance Plan, it enables pre-tax funding of future medical expenses for owners and employees alike.

At Admin316, we provide comprehensive fiduciary oversight and administrative management of 401(h) accounts to ensure every contribution, allocation, and distribution complies with IRS and Department of Labor (DOL) regulations. Our goal is simple: to help you deliver valuable retiree medical benefits without increasing your administrative burden or fiduciary exposure.

Key Advantages of a 401(h) Plan

Tax-Deductible Employer Contributions

Employers can make fully deductible contributions to fund retiree healthcare benefits, lowering current taxable income while investing in the long-term welfare of their employees.

Enhanced Employee Retention and Retirement Readiness

Offering post-retirement medical benefits through a 401(h) account demonstrates a commitment to employee well-being—making it easier to attract and retain top talent while strengthening retirement readiness.

Tax-Free Reimbursements for Qualified Medical Expenses

When participants retire, eligible medical expenses—including premiums, prescriptions, and out-of-pocket costs—can be reimbursed tax-free, providing a valuable healthcare safety net.

Integration with Cash Balance or Defined Benefit Plans

A 401(h) subaccount can be seamlessly integrated with an existing Cash Balance or Defined Benefit Plan, allowing employers to maximize tax deductions and enhance executive benefits within a single, compliant structure.

Why Fiduciary Oversight Is Essential

While a 401(h) plan offers tremendous tax and benefit advantages, it also brings a higher level of regulatory complexity. Maintaining compliance requires precise tracking, reporting, and adherence to strict IRS and Department of Labor (DOL) regulations. Errors in contributions, allocations, or reimbursements can jeopardize a plan’s qualified status and expose employers to significant fiduciary liability.

That’s where Admin316 comes in.

As a Named Fiduciary (§402(a)) and ERISA §3(16) Plan Administrator, Admin316 provides end-to-end fiduciary management, operational oversight, and regulatory compliance for 401(h) plans. Our team ensures that:

  • All contributions are properly allocated and documented

  • Plan assets remain separate and compliant with IRS rules

  • Annual filings (including Form 5500) meet regulatory standards

  • Participant communications and reimbursements are handled accurately

  • The plan remains audit-ready and legally protected at all times

Admin316 fiduciary administrator reviewing 401(k) compliance documentation and retirement plan records.

A 401(H) retirement plan is called a “401(h) plan”. It is a type of employer-sponsored retirement plan that allows employers to offer additional benefits to their employees. Examples of benefits include tax-free contributions and the offer of tax-free withdrawals. With this account, you can take an unlimited amount of deductions. These deductions do not count as Modified Adjusted Gross Income (MAGI) for determining Medicare premiums or surcharges. The 401H account also allows greater control over managing and investing funds. It also provides advantages, including potential tax savings and potential appreciation in value.

These plans are governed by section (h) of 26 U.S. Code § 401.

You can increase or decrease your contributions based on your needs. This makes it easier to adjust your contributions over time.

With a 401(h) account, you can take unlimited deductions, including the offer of tax-free contributions and proceeds. Investing in a 401(h) retirement plan can help you save more. At the same time, you also enjoy the potential tax advantages it offers. 

Rolling over your accounts is a great way to get the most out of your 401(h) Retirement Plan and take advantage of its tax advantages. First, contact your qualified retirement plan institution, such as an IRA or employer-sponsored account. The institution will provide you with a rollover form, which you’ll fill out and submit with copies of the account beneficiary designations for each qualified retirement plan. Once you submit your paperwork, your prior employer-sponsored plan or IRA will transfer the funds to the new 401H Retirement Plan. Depending on the provider, there may be fees associated with this transfer process.

If you don’t find a 401(H) provider that makes sense for you, call us. The cost of setting up your plan is way less than what you could lose in social security benefits and taxes.

Withdrawals from your 401(H) Retirement Plan are not considered income for IRMAA (or Medicare) calculations. Any withdrawals are excluded from consideration when determining your IRMAA annually. This means that if you draw on your 401(H) plan, it won’t affect the amount of your Social Security benefits. In other words, the Social Security Administration will not count the withdrawal as income when calculating your Medicare premium.

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