Glossary term
Qualified Automatic Contribution Arrangement (QACA)
A QACA is a safe harbor automatic enrollment 401(k) design with required default contributions, employer contributions, notices, and vesting rules.
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What Is a Qualified Automatic Contribution Arrangement (QACA)?
A qualified automatic contribution arrangement, or QACA, is a type of automatic enrollment 401(k) design that can qualify for safe harbor treatment. Employees are automatically enrolled at a default contribution rate unless they opt out or choose a different rate, and the employer must satisfy required contribution, notice, and vesting rules.
For employers, the QACA structure can help the plan avoid annual ADP and ACP nondiscrimination testing. For employees, it can increase participation by making saving the default choice.
Key Takeaways
- A QACA is an automatic enrollment arrangement with safe harbor features.
- Employees must have the chance to opt out or choose a different contribution rate.
- The employer must make a required match or nonelective contribution.
- Required employer contributions generally must become fully vested within two years of service.
Core Design Requirements
A QACA uses default elective contributions when an employee does not make an affirmative election. The default rate must follow a qualified automatic contribution schedule, and employees must receive required notices about their rights and obligations under the plan.
The employer contribution can be structured as a required matching contribution or a nonelective contribution. The exact formula matters because it determines whether the plan qualifies for safe harbor treatment.
QACA, EACA, and Basic Automatic Enrollment
Arrangement | Main idea |
|---|---|
Basic automatic enrollment | Automatically enrolls employees unless they elect otherwise. |
EACA | Uses uniform automatic enrollment rules and may allow short-window withdrawals. |
QACA | Adds safe harbor rules that can exempt the plan from ADP and ACP testing. |
What Participants Should Notice
A participant in a QACA should pay attention to the default contribution rate, automatic increases, investment default, opt-out procedure, and employer contribution formula. Automatic enrollment can be helpful, but the default rate may not match the participant’s own savings target.
Default Saving Is Not Personal Planning
A QACA can increase participation because employees must take action to opt out. That default can be helpful, especially for workers who might otherwise delay saving. But the default contribution percentage is still a plan design setting, not a personalized savings recommendation. Participants may need to raise, lower, or redirect contributions based on their own cash flow and retirement goals.
Employers also need to operate the default rules consistently. If eligible employees are not enrolled on time, receive the wrong default percentage, or miss required notices, the plan may need correction even if the overall QACA design is sound on paper.
The arrangement can also change employee behavior without requiring a separate enrollment campaign. That is useful, but it makes clear communication important because silence becomes an affirmative savings default.
The Bottom Line
A QACA is a safe harbor automatic enrollment 401(k) structure. It makes retirement saving the default while giving employers a compliance path that can reduce nondiscrimination testing pressure.