A Practical Guide to Compliance, Costs, and Fiduciary Duties for Owners
Quick Summary / Key Takeaways
- Retirement plans subject to ERISA are governed by federal reporting, disclosure, and fiduciary standards, including annual filing requirements such as Form 5500, if required based on plan size and structure.
- Certain owner-only arrangements, including some Solo 401(k) structures, may fall outside ERISA coverage if no common-law employees are eligible to participate.
- Under ERISA, fiduciary duties are imposed by federal statute and include standards of prudence and loyalty applicable to plan fiduciaries.
- ERISA generally provides federal preemption of certain state laws with respect to employee benefit plans covered by ERISA.
- Whether a plan is subject to ERISA depends on workforce structure, plan participation, and applicable statutory definitions under federal law.
To find the best plan at the right cost for your business, fill out the discovery form.
Selecting a retirement plan involves reviewing statutory and regulatory requirements under federal law. For employers, a central structural distinction is whether a plan is subject to ERISA or falls outside ERISA coverage.
The Employee Retirement Income Security Act of 1974 (ERISA) establishes federal standards for reporting, disclosure, and fiduciary responsibility for covered employee benefit plans. These standards govern how plan assets are administered and how information is provided to participants in accordance with federal statutory requirements.
In contrast, certain arrangements, such as some owner-only plans with no eligible common-law employees, may not be subject to ERISA, depending on workforce structure and applicable statutory definitions under federal law.
Understanding whether a retirement plan is governed by ERISA affects reporting obligations, fiduciary standards, and administrative requirements under federal law and related regulatory guidance.
Core Structural Comparison of ERISA and Non-ERISA Retirement Plans
| Feature | ERISA Plan | Non-ERISA Plan | Structural Consideration |
|---|---|---|---|
| Fiduciary Duty | Subject to federal fiduciary standards under ERISA | Not subject to ERISA fiduciary provisions if no common-law employees participate and ERISA does not apply | Scope of statutory fiduciary responsibility |
| Annual Reporting | Form 5500 filing required when applicable based on plan size and structure | Form 5500 generally not required for certain owner-only arrangements unless applicable filing thresholds are met | Federal reporting and disclosure obligations |
| Asset Protection | ERISA federal framework applies to covered plans | Protection may depend on applicable state law for non-ERISA arrangements | Creditor protection structure |
| Employee Participation | Typically covers eligible employees under plan terms | Often limited to owner (and spouse) in certain structures | Workforce eligibility and participation design |
Cost and Administrative Considerations by Plan Type
| Plan Type | Estimated Setup Costs (Varies by Provider and Plan Design) | Estimated Annual Administration (Varies by Structure and Service Provider) | Compliance Considerations Under Federal Law |
|---|---|---|---|
| Safe Harbor 401(k) | $500–$2,500 (may vary) | $1,500+ (may vary based on plan size and services) | Subject to ERISA reporting, notice, and contribution requirements under Internal Revenue Code §401(k) |
| Solo 401(k) | $0–$500 (may vary) | Generally lower administrative costs; Form 5500 filing required if plan assets exceed applicable filing thresholds under federal law | May fall outside ERISA if no common-law employees participate and ERISA does not apply |
| SEP IRA | $0–$100 (may vary) | Minimal ongoing administration; subject to contribution rules under Internal Revenue Code §408(k) | Generally not subject to ERISA reporting requirements such as Form 5500 |
| Simple IRA | $0–$200 (may vary) | Limited annual administration; subject to statutory contribution and notice requirements under Internal Revenue Code §408(p) | Not subject to ERISA reporting requirements, but must follow certain guidelines. |
Retirement Plan Structural Review Checklist
- Confirm the total employee count to determine whether ERISA coverage applies under applicable federal definitions.
- Review statutory fiduciary obligations under ERISA, if applicable, and confirm how those duties are allocated in the plan document.
- Compare administrative requirements, including Form 5500 filing obligations where required under federal law.
- Evaluate payroll coordination, contribution processing, and recordkeeping procedures required under the selected plan structure.
Ongoing Compliance Review Checklist
- Review plan participation and nondiscrimination testing requirements under Internal Revenue Code §401(k), if applicable.
- Update beneficiary designations and plan documentation following changes to ownership, compensation structure, or business entity status.
- Assess creditor protection considerations based on ERISA status or applicable state law.
- Conduct periodic compliance reviews in accordance with plan terms, Internal Revenue Code requirements, and Department of Labor regulations.
Table of Contents
Section 1: UNDERSTANDING THE FRAMEWORK
Section 2: COMPLIANCE AND FIDUCIARY DUTY
Section 3: ADMINISTRATIVE COSTS AND MANAGEMENT
Section 4: STRATEGIC DECISION MAKING
Frequently Asked Questions
Section 1: Understanding the Framework
FAQ 1: What is the primary structural difference between ERISA and non-ERISA retirement plans?
Retirement plans subject to ERISA are governed by federal reporting, disclosure, and fiduciary standards established under the Employee Retirement Income Security Act of 1974 (ERISA). These requirements generally apply when a plan covers one or more common-law employees, as defined under applicable federal law.
In contrast, certain owner-only arrangements, such as plans covering only an owner (and spouse, if applicable), may fall outside ERISA coverage if no eligible common-law employees participate. In those cases, ERISA fiduciary and reporting requirements, including Form 5500 filings where applicable under federal thresholds, may not apply.
The primary distinction is whether the plan is subject to ERISA’s federal fiduciary and reporting framework based on workforce structure and plan participation under statutory definitions.
Takeaway: ERISA plans are subject to federal fiduciary and reporting standards. Certain owner-only arrangements may not be subject to ERISA, depending on plan structure and applicable federal definitions.
FAQ 2: How does the Employee Retirement Income Security Act of 1974 (ERISA) regulate employee benefit plans?
The Employee Retirement Income Security Act of 1974 (ERISA) establishes federal standards for participation, vesting, funding, reporting, disclosure, and fiduciary conduct for covered employee benefit plans under federal law.
Under ERISA, plan fiduciaries are required to act in accordance with statutory duties of prudence and loyalty as defined by the statute and related regulations. Plan sponsors must provide required disclosures to participants and file applicable annual reports, such as Form 5500, when required under federal filing thresholds.
ERISA also provides participants with statutory rights to pursue claims for benefits and to seek remedies for alleged breaches of fiduciary duty, subject to federal procedures and limitations set forth in the statute.
FAQ 3: How do ERISA and non-ERISA classifications relate to common retirement plan types?
Retirement plans that cover one or more common-law employees are generally subject to ERISA, subject to applicable statutory definitions and exclusions under federal law. These commonly include traditional 401(k) plans and profit-sharing plans sponsored by private-sector employers.
Certain owner-only arrangements, such as some Solo 401(k) plans, may fall outside ERISA coverage if no eligible common-law employees participate. SEP IRAs established under Internal Revenue Code §408(k) and SIMPLE IRAs established under Internal Revenue Code §408(p) are generally not subject to ERISA reporting requirements such as Form 5500, although other statutory and contribution rules apply.
Governmental plans and certain church plans are also excluded from ERISA coverage under specific statutory provisions.
Understanding whether a plan is subject to ERISA affects federal reporting, disclosure, and fiduciary requirements applicable to that structure under the Employee Retirement Income Security Act of 1974.
Section 2: COMPLIANCE AND FIDUCIARY DUTY
FAQ 4: What fiduciary duties apply under an ERISA-covered retirement plan?
Under ERISA, plan fiduciaries are required to act solely in the interest of plan participants and beneficiaries and for the exclusive purpose of providing benefits and paying reasonable plan expenses, as defined by the statute.
Fiduciaries must carry out their responsibilities with prudence and in accordance with the terms of the plan documents, to the extent those documents comply with applicable law. ERISA also requires fiduciaries to avoid prohibited transactions and conflicts of interest, subject to statutory exemptions.
Failure to meet ERISA fiduciary standards may result in statutory remedies and personal liability, as provided under federal law and subject to applicable enforcement procedures.
FAQ 5: Do non-ERISA retirement plans require Form 5500 filings?
Most non-ERISA plans do not require an annual Form 5500 filing with the Department of Labor. However, certain plans, such as a Solo 401(k), may be required to file Form 5500-EZ with the Internal Revenue Service once plan assets exceed $250,000 at the end of the plan year, as defined under applicable IRS filing rules.
SEP IRAs established under Internal Revenue Code §408(k) and SIMPLE IRAs established under Internal Revenue Code §408(p) generally do not require an annual Form 5500 filing. Other IRS reporting and recordkeeping requirements may still apply, including custodian-issued forms where applicable.
Form 5500 filing obligations depend on plan structure, asset levels, and applicable federal rules.
FAQ 6: How does creditor protection differ between ERISA-covered and non-ERISA retirement plans?
ERISA-covered plans are subject to a federal framework that includes anti-alienation provisions, which generally restrict the assignment or attachment of plan benefits by creditors, subject to statutory exceptions set forth under ERISA.
Non-ERISA arrangements, including certain owner-only plans and IRAs, may rely on applicable federal bankruptcy law and state creditor protection statutes. The scope of protection can vary depending on plan structure and jurisdiction and may differ outside of bankruptcy proceedings.
Creditor treatment depends on whether the plan is subject to ERISA and on the specific legal context, including bankruptcy proceedings and applicable state law.
FAQ 7: What is nondiscrimination testing, and when is it required?
Nondiscrimination testing refers to annual compliance tests required for certain employer-sponsored retirement plans under Internal Revenue Code §401(a) and §401(k). These tests evaluate whether plan contributions and benefits disproportionately favor highly compensated employees, as defined under the Internal Revenue Code.
Plans that cover common-law employees, such as many traditional 401(k) plans, are generally subject to annual nondiscrimination testing unless the plan design qualifies for a statutory safe harbor under Internal Revenue Code §401(k).
Owner-only arrangements, such as certain Solo 401(k) plans with no eligible common-law employees, are typically not subject to nondiscrimination testing because no non-owner employees participate in the plan.
If a plan does not satisfy applicable nondiscrimination standards, corrective action may be required under IRS correction procedures, which can include contribution adjustments or refunds in accordance with IRS rules.
Section 3: ADMINISTRATIVE COSTS AND MANAGEMENT
FAQ 8: How do administrative cost structures differ between ERISA-covered and non-ERISA retirement plans?
Administrative costs vary based on plan design, service providers, and applicable regulatory requirements under federal law.
ERISA-covered plans that include common-law employees may involve additional administrative services, such as third-party plan administration, compliance testing, and Form 5500 filing. In certain cases, large plans may also be subject to independent audit requirements under ERISA. Fees depend on plan size, service scope, and provider arrangements.
Non-ERISA arrangements, such as certain owner-only plans or IRAs, may involve fewer federal reporting requirements. Administrative costs depend on the structure of the plan and the service providers involved, including custodial and administrative services where applicable.
Cost differences are determined by plan complexity, workforce participation, and regulatory obligations.
FAQ 9: Can a small business owner manage a non-ERISA retirement plan without a third-party administrator?
Certain non-ERISA arrangements, such as owner-only plans and IRAs, may involve fewer federal reporting and administrative requirements than plans that cover common-law employees. The level of administration depends on the plan structure, contribution rules, and applicable IRS requirements under the Internal Revenue Code.
For IRAs established under Internal Revenue Code §408, a qualified IRA custodian is required to hold and title the assets, maintain required records, and issue applicable IRS forms, such as Form 5498 and Form 1099-R, when distributions occur.
Administrative responsibilities for employer-sponsored plans, including certain owner-only 401(k) arrangements, may include maintaining plan documents, tracking contributions, and complying with applicable IRS filing requirements, such as Form 5500-EZ when required under federal thresholds.IRA Club SBS offers a wide variety of customizable small business plans, using flat-fee pricing and full-service administration to reduce the admin load for business owners.
To find the best plan for your business, fill out the discovery form.
FAQ 10: How does payroll integration operate for ERISA-covered retirement plans?
Payroll integration refers to the coordination of payroll systems with a retirement plan’s administrative process. This coordination facilitates the transmission of employee deferral amounts and related compensation data to the plan administrator or other designated service providers.
For ERISA-covered plans, employee elective deferrals must be transmitted to the plan in accordance with Department of Labor timing rules. Payroll coordination may assist plan sponsors in aligning contribution processing with applicable federal requirements.
Recordkeeping and allocation of contributions are typically handled by designated service providers in accordance with plan documents and applicable law. For IRA-based arrangements under Internal Revenue Code §408, a qualified IRA custodian holds and titles assets, maintains required records, and issues applicable IRS forms, such as Form 5498 and Form 1099-R, when distributions occur. IRA Club SBS offers SIMPLE IRAs and other small-business retirement plan options that pair payroll integration with flat-fee administration.
FAQ 11: What are the potential consequences of ERISA compliance failures?
ERISA provides for civil penalties and other enforcement actions when required filings or fiduciary standards are not met, in accordance with federal enforcement provisions. For example, failure to file Form 5500 when required may result in daily penalties assessed by the Department of Labor, subject to statutory limits and applicable correction programs.
Breaches of fiduciary duty may result in statutory remedies, including potential personal liability, as provided under ERISA. In addition, if a retirement plan fails to satisfy applicable qualification or nondiscrimination requirements under the Internal Revenue Code, corrective action may be required under IRS correction procedures.
The nature and amount of penalties depend on the type of violation, the duration of noncompliance, and applicable federal enforcement rules.
Section 4: STRATEGIC DECISION MAKING
FAQ 12: When does a retirement plan become subject to ERISA?
A retirement plan may become subject to ERISA when it covers one or more eligible common-law employees, as defined under federal law. Certain owner-only arrangements, such as some Solo 401(k) plans, may fall outside ERISA coverage if no eligible common-law employees participate.
If a business begins employing eligible common-law employees, the plan’s ERISA status must be evaluated under the Employee Retirement Income Security Act of 1974. Plan documents and administrative procedures may need to reflect applicable ERISA reporting, disclosure, and fiduciary requirements.
Contribution limits for qualified plans are determined under the Internal Revenue Code and apply regardless of ERISA status. ERISA coverage is based on workforce participation and statutory definitions, not on contribution limits.
FAQ 13: Is a Solo 401(k) subject to ERISA?
A Solo 401(k) is a qualified retirement plan under Internal Revenue Code §401(k). Whether it is subject to ERISA depends on plan participation and applicable federal definitions.
An owner-only 401(k) that covers only a business owner and, if applicable, the owner’s spouse may fall outside ERISA coverage if no eligible common-law employees participate. If eligible common-law employees become participants, ERISA reporting, disclosure, and fiduciary requirements may apply.
Even when not subject to ERISA, a Solo 401(k) must comply with applicable Internal Revenue Code provisions governing contributions, distributions, and plan qualification standards.
FAQ 14: How do tax rules compare between ERISA-covered and non-ERISA retirement plans?
Both ERISA-covered and non-ERISA retirement plans operate under the Internal Revenue Code. Tax treatment of contributions and earnings is determined by the applicable Code provisions and plan structure, not by ERISA status alone.
Contribution limits are established by statute and apply based on plan type. For 2026:
- The elective deferral limit under Internal Revenue Code §402(g) is $24,500, with an additional $8,000 catch-up contribution permitted for eligible participants age 50 or older under §414(v)(2)(B)(i).
- The defined contribution annual additions limit under Internal Revenue Code §415(c)(1)(A) is $72,000.
- For IRAs established under Internal Revenue Code §408, the contribution limit is $7,500, with an additional $1,100 catch-up contribution permitted for individuals age 50 or older.
Deductibility and income phase-out rules depend on the specific plan type and the participant’s circumstances under the Internal Revenue Code.
For IRA arrangements under Internal Revenue Code §408, a qualified IRA custodian holds and titles assets, maintains required records, and issues applicable IRS forms, such as Form 5498 and Form 1099-R, when distributions occur.
FAQ 15: What questions are relevant when evaluating retirement plan service providers?
When evaluating retirement plan service providers, plan sponsors and financial decision-makers may review the following factors:
- Fee structure, including administrative fees, investment-related expenses, and per-participant charges, as disclosed in service agreements and required notices.
- Scope of fiduciary services, including whether the provider accepts responsibilities under ERISA §3(16) or §3(38), as applicable.
- Payroll data coordination processes and compatibility with the sponsor’s payroll system.
- Recordkeeping, reporting, and communication procedures are required under federal law.
For IRA arrangements established under Internal Revenue Code §408, a qualified IRA custodian holds and titles assets, maintains required records, and issues applicable IRS forms, such as Form 5498 and Form 1099-R, when distributions occur. IRA Club SBS offers a wide variety of small-business retirement plan options that pair payroll integration with flat-fee administration.
To find the best plan at the right cost for your business, fill out the discovery form.
