Unless required by state law, employers are generally not required to provide 401(k) plans to employees. Therefore, you are free to add, remove, or change plan provisions as you wish.
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However, certain plan design features, such as safe harbor contributions and automatic enrollment, can only be added, removed, or changed within the bounds of specific timing and following the notice requirements.
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Additionally, while you have the right to amend the plan at any time, such amendments cannot reduce any benefits a participant has already earned. The employee has an unconditional right to all retirement benefits they already earned. Further, amendments generally cannot be made to retroactively affect previous plan years.
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For detailed information about the Guideline 401(k) plan features, refer to the Summary Plan Description found in each participant’s dashboard.

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