Setting up deductions and contributions in the employee profile page guarantees accurate calculation of employee bonus paychecks in QuickBooks Online (QBO), Sundogmedoa. I'm here to help you set this up to prevent voiding your check in the future.
The 2% non-elective Business Simple IRA contribution amounts should be established in your employee deductions and contributions profile to ensure they reflect on the year-end bonus checks. To do so, kindly follow the steps provided below:
- Log into your QBO account.
- At the right panel, select Payroll and then Employee.
- Choose the employee with the bonus year-end check.
- Go to the Deductions and Contributions panel, then click Edit.
- Click + Add deduction/contribution.
- In the Deduction/contribution dropdown, select Simple IRA.
- Set up your Employee deduction according to your business needs and details.
- In the Company contribution, select Percent of Gross pay in the Calculated as dropdown and enter the rate in the Percent per paycheck tab.
- Once done, click Save.

Next, review them by processing your payroll bonuses and selecting the Preview payroll details tab before submitting. Refer to these articles for further information on configuring your QBO payroll items and bonuses:
Additionally, I've included an article about the payroll reports accessible in QBO to provide a more detailed view of your business finances: Run payroll reports.
Click the Reply button if there's anything else I can help with your 2% non-elective Business Simple IRA contributions in QBO. I'll be here to assist you anytime. Keep safe!