To make a contribution in your Guideline SEP IRA, login to your account and click on the Contributions option in the menu.
From there, click on the ‘Make a contribution’ button and follow the steps to complete the contribution process.
As a reminder, you must make contributions for all eligible employees in your plan. Employee eligibility rules were established in form 5305-SEP when you opened your SEP account.
You can read the full rules for SEP contributions on the IRS website: