SIMPLE IRA Plan Rules

A SIMPLE IRA is a retirement plan for small businesses (100 or fewer employees). Employees contribute up to $17,000 in 2026, or $18,100 when the SECURE 2.0 §117 enhanced rules apply. The ordinary age-50 catch-up is $4,000; the enhanced-plan catch-up is $3,850; and ages 60–63 use $5,250. Employers generally match up to 3% of compensation or contribute 2% nonelectively. During a participant’s first two years, an early distribution that would otherwise face 10% generally faces 25% unless an exception applies.

What Is a SIMPLE IRA?

A SIMPLE IRA is a small-business retirement plan that allows employee deferrals and required employer contributions. Unlike a 401(k), it generally avoids annual nondiscrimination testing and has lighter administration. Employee deferrals are traditionally pre-tax, but a plan and provider may offer Roth SIMPLE deferrals. Employer contributions may also be designated Roth only when the plan supports the optional feature; otherwise they remain traditional.

The account is technically an IRA held at a financial institution (bank, brokerage). Each employee owns their SIMPLE IRA directly, unlike a 401(k) which is typically held by the employer. This means employees can generally access their own accounts directly and control investment selections, though employers set up the plan structure.

Employee Contribution Limits for 2026

Employees can defer up to $17,000 in 2026 under the standard SIMPLE limit. The ordinary age-50 catch-up is $4,000, for a $21,000 total. A qualifying SECURE 2.0 §117 enhanced plan uses an $18,100 regular limit and a separate $3,850 catch-up, for a $21,950 total. A participant who turns 60, 61, 62 or 63 during 2026 uses the $5,250 higher catch-up instead: $22,250 under the standard limit or $23,350 under the enhanced limit.

A traditional salary-reduction contribution lowers current taxable wages; a Roth SIMPLE deferral does not. For example, a $40,000 employee who makes a $17,000 traditional deferral generally has $23,000 of wages remaining before other tax adjustments. A Roth election would leave current taxable wages higher while changing the account’s later tax treatment.

Employer Matching and Contribution Requirements

Employers generally choose either (1) a dollar-for-dollar match up to 3% of compensation for employees who defer, or (2) a 2% nonelective contribution for eligible employees whether or not they defer. A standard-plan match can be reduced as low as 1% in no more than two years of a five-year period after required notice. An enhanced §117 plan uses its own employer-contribution requirements.

Example matching: If an employee earns $50,000 and contributes $5,000 (10%), the employer matches 3% × $50,000 = $1,500. The employee's total contribution is $6,500 ($5,000 + $1,500).

Example non-elective: If the employer chooses the 2% non-elective option, every eligible employee receives 2% × their compensation regardless of personal contributions. This provides a floor of retirement savings even for employees who don't contribute themselves.

The 2-Year Withdrawal Penalty: The SIMPLE IRA Trap

Here is the critical difference from other IRAs: a SIMPLE IRA distribution within two years of the participant’s first SIMPLE contribution generally faces a 25% additional tax when an ordinary early distribution would face 10%. A §72(t) exception can waive the additional tax. After the two-year period, the ordinary IRA early-distribution rules apply.

This clock runs from the participant’s first contribution date (IRC §72(t)(6)), not the end of a calendar year. If the first contribution was January 15, 2026, the two-year period ends January 15, 2028. A non-exempt distribution before that date generally faces 25%; one on or after that date generally faces 10% if no other exception applies.

The IRS intends this penalty to discourage short-term access. It's the trade-off for SIMPLE IRA's simplicity and lower employer administrative burden.

Converting SIMPLE IRA to Roth: The Two-Year Waiting Period

The employer plan does not have to terminate before the account can move. The two-year period runs from the participant’s first SIMPLE contribution. During that period, transfers generally must stay between SIMPLE IRAs; a distribution outside that route can face the SIMPLE-specific 25% additional tax unless an exception applies. After two years, the balance may generally convert to Roth or roll to another eligible account while the employer continues the SIMPLE plan.

After the two-year wait ends, you can convert a SIMPLE IRA to a Roth IRA like any other Traditional IRA conversion. The standard pro-rata rule applies: if you have other Traditional IRAs, the conversion is proportionally taxed based on your total pre-tax and after-tax IRA balances.

SIMPLE IRA vs. Roth SIMPLE IRA (SECURE 2.0)

Starting in 2023, employers can offer a Roth SIMPLE option. Employees can choose after-tax Roth rather than traditional salary reductions when the plan and provider support it. The 2026 limits are $17,000 standard or $18,100 enhanced; the ordinary catch-up is $4,000 for a standard plan and $3,850 for an enhanced plan, while ages 60–63 use $5,250. Roth deferrals provide no current deduction; qualified withdrawals can be tax-free.

Employer matching and nonelective contributions are traditionally pre-tax. SECURE 2.0 also permits an employer to offer vested Roth employer contributions, but that feature is optional, the document and provider must support it, and the contribution is included in the participant’s current income. Do not infer the employer bucket from the employee’s Roth election.

SECURE 2.0 §601 and §117: the Roth SIMPLE Revolution

Two SECURE 2.0 provisions changed the SIMPLE IRA. §601 permits Roth SIMPLE contributions. §117 provides an enhanced employee-deferral limit for qualifying plans: $18,100 rather than $17,000 in 2026. It applies automatically to qualifying employers with 25 or fewer employees; an eligible 26–100 employee election generally requires a 4% match or 3% nonelective contribution. Catch-up interactions have separate indexed figures, so participants should confirm the plan’s exact 2026 limit rather than adding a percentage to the headline.

The Roth SIMPLE deferral is the more transformative of the two. Before 2023, SIMPLE IRA contributions were always pre-tax, meaning a small-business employee in a high bracket (e.g., a $200,000-earning principal at a small law firm) could save $17,000 pre-tax but had no mechanism for Roth savings through the plan. Now the same employee can direct that $17,000 into a Roth SIMPLE, paying tax in year one but growing it tax-free for 30+ years.

Roth SIMPLE availability remains optional. The employer, plan document and provider must support the feature, and the participant must make an affirmative election before the contribution. Optional vested Roth employer contributions are also permitted, but they are included in current income. Confirm the employee and employer buckets separately with the plan.

SECURE 2.0 §332: a mid-year replacement path

SECURE 2.0 §332 created a narrow exception to the SIMPLE exclusive-plan rule: an employer may terminate a SIMPLE mid-year and replace it with a safe-harbor 401(k) or 403(b) plan, subject to the statutory transition and contribution-limit rules. This is not a blanket permission to operate both plans for the year.

The SIMPLE two-year transfer restriction still has to be respected. A SIMPLE-to-qualified-plan rollover is generally available only after the participant’s two-year period is complete and only if the receiving plan accepts it. During the two-year period, transfers generally must remain within SIMPLE IRAs.

The Exclusive Plan Rule: Why Owners Often Skip the Backdoor

IRC §408(p)(2)(D) imposes an "exclusive plan" requirement: an employer offering a SIMPLE IRA generally cannot maintain any other qualified plan in the same year. This means small-business owners who sponsor a SIMPLE for their employees cannot simultaneously sponsor a solo 401(k) for themselves. The owner is limited to the SIMPLE IRA contribution for the year.

A Traditional SIMPLE balance aggregates with the owner’s other Traditional and SEP IRAs for Form 8606. That can make an IRA-to-Roth conversion mostly taxable. It does not make the conversion illegal, and terminating the employer plan is not itself required. Possible responses include accepting the pro-rata result, making a larger taxable conversion, or — after the two-year period — moving eligible pre-tax money to an accepting qualified plan. Each choice has its own tax, plan and cost consequences.

The self-employed coordination guide compares that footprint with SEP and one-participant 401(k) options. Use the Backdoor Roth Diagnostic to check the actual SIMPLE period, receiving-plan terms, December 31 pool and records.

The 3% Match Ceiling Can Be Reduced to 1% for Two of Any Five Years

SIMPLE IRA matching is traditionally described as "3% of salary, up to 3% dollar-for-dollar match, mandatory." This is an oversimplification. IRC §408(p)(2)(C)(ii) allows an employer to reduce the match to as low as 1% of compensation in 2 out of any 5 consecutive years. The reduction must be announced before the start of the employee's election period (typically 60 days before the calendar year). This is a legitimate cost-cutting tool for struggling small businesses and is invisible in most descriptions of SIMPLE plans.

For employees at small businesses, understanding this rule matters: in a year of employer financial stress, your 3% match can drop to 1%, effectively cutting your total compensation. Review the annual notice your employer is required to provide (usually in November) before making elections. If the match is reduced, you may want to redirect savings to an outside Roth IRA to maintain total retirement savings.