


I. Plan Establishment & Design
This section covers the foundational knowledge required to help employers choose and set up the right 401(k) structure.
Plan Documents & Adoption: Understanding the Basic Plan Document, Adoption Agreement, and Summary Plan Description (SPD).
Types of 401(k) Plans: Comparing Traditional 401(k), Safe Harbor (Non-elective vs. Matching), and Roth 401(k) features.
Eligibility & Participation:
Minimum age and service requirements (21 and 1 rule).
Entry dates and automatic enrollment (ACA, EACA, QACA) provisions.
Excludable employees (union members, non-resident aliens).
Employer Contribution Strategies: Calculating discretionary matches, fixed matches, and profit-sharing allocations.
II. Compliance & Regulatory Requirements
A critical portion of the exam focuses on the Internal Revenue Code (IRC) and ERISA rules that keep a plan "qualified."
Non-Discrimination Testing:
ADP (Actual Deferral Percentage): Testing employee deferrals.
ACP (Actual Contribution Percentage): Testing employer matching and after-tax contributions.
Top-Heavy Testing: Identifying if key employees hold more than 60% of plan assets.
Contribution & Benefit Limits:
IRC Section 402(g) elective deferral limits.
IRC Section 415 annual addition limits.
IRC Section 401(a)(17) compensation limits.
Vesting Schedules: Understanding cliff vs. graded vesting and the rules for immediate vesting in Safe Harbor plans.
III. Fiduciary Responsibility & Plan Governance
This section addresses the legal duties of those managing the plan and the protection of participant interests.
ERISA Fiduciary Roles: Identifying Named Fiduciaries, Trustees, and the difference between 3(21) and 3(38) investment fiduciaries.
Fiduciary Standards: The "Prudent Expert" rule, duty of loyalty, and diversification requirements.
Prohibited Transactions: Identifying parties-in-interest and avoiding self-dealing.
Fee Disclosure: Understanding 408(b)(2) disclosures (provider to sponsor) and 404(a)(5) disclosures (sponsor to participant).
IV. Plan Operations & Administration
Focuses on the day-to-day mechanics of managing participant accounts and data.
Reporting & Disclosure: * Filing Form 5500 (EZ, SF, or Large).
Distributing Summary Annual Reports (SAR) and Annual Funding Notices.
Participant Loans & Hardship Distributions: * Maximum loan amounts and repayment terms.
Safe Harbor "Heavy Financial Need" criteria for hardship withdrawals.
Trust Accounting: Reconciling plan assets, handling forfeitures, and understanding "true-up" contributions.
V. Investment Management & Oversight
Covers how plan assets are selected, monitored, and offered to participants.
Investment Policy Statement (IPS): The purpose, components, and ongoing review process of an IPS.
Qualified Default Investment Alternatives (QDIA): Criteria for Target Date Funds (TDFs), balanced funds, and managed accounts.
ERISA 404(c) Protection: Requirements for providing participant-directed investments to limit fiduciary liability.
VI. Distributions & Taxation
The final phase of the 401(k) lifecycle, focusing on how money leaves the plan.
Distributable Events: Retirement, termination of employment, death, and disability.
Taxation of Distributions: Standard 20% federal withholding, early withdrawal penalties (10% tax), and RMD (Required Minimum Distribution) rules.
Rollovers: Direct vs. Indirect rollovers and the impact on tax-deferred status.