You've come to the right place to get the answers you're looking for, @stsag_sundfarms-.
 
In QuickBooks Online (QBO) payroll, you can set up each employee exempt from state taxes.
 
Here's how:
- Go to the  Payroll menu, then select Employees.
- Select the employee's name.
- Under Employee Details, click on the pencil icon beside Pay.
- Select the pencil icon under the question What are (employee's name) withholdings?
- Scroll down until you reach the Tax Exemptions section and select the drop-down arrow.
- Select the taxes the employees are exempt from. Select Done.
 
You can also refer to this article for more info: Employee payroll tax exemptions.
 
With regards to Form 943, you'll want to download the form from the IRS website. You can fill in the information needed by running the Tax Liability Report. 
 
Here's how:
- Go to theTaxes menu, and then select Payroll Tax.
- Click View your Tax Liability Report.
- Modify the date range.
- Click Run Report. 
 
Once done, you can print and send it by mail. You can check out this article to ensure compliance with Federal Tax regulations: Internal Revenue Service Payroll Tax Compliance.
 
You can also check this article about the supported forms in QBO: Pay and file payroll taxes electronically.
 
Please come back and post again if you have further questions about payroll and taxes. I'll be glad to keep helping. Have a great day ahead.