Let's get your payroll subscription working, rondarittschof.
Yes, we can use another payroll subscription for your EIN. Before that, you might want to know the requirements and limitations. You can see the details through this link:Add an EIN to existing Payroll Subscription.
The article above also includes the detailed steps on how to add it on your company file.
Once you've added the payroll subscription, you can update the following for QuickBooks to operate at its optimum state:
Keep us posted for any changes so we can review other things we can do for you. Have a great day!