Missouri Third Party Administrator

Third Party Administration (TPA) Access

Missouri Withholding Account 

1. Log into or create your MyTax Missouri account. 
2. Select Profile Information in the header and choose Manage Authorized Preparers. 
3. On the right side of the page above the list, select Add New Authorized Preparer. 
4. Enter Payroll Vault Franchising information: 
   1. User ID: pvtax 
   2. Registration Confirmation Number: 9901004457092 
5. Select Next. 
6. In the View column, select the appropriate business(es). 
7. Confirm the appropriate Taxpayer Name and ID/FEIN. 
8. In the Start Date field, enter the first day of the quarter (and year) you started with Payroll Vault Franchising Payroll. For example, 01/xx, 04/xx, 07/xx, or 10/xx. 
9. Select the Tax Type Authorizations button for Assignments. 
10. Select Employer Withholding Tax. Enter the same Effective Start Date you entered in step 8. 
11. Under Assigned Function, select Tax Type Functions. 
12. Select the following functions: 
    1. File Returns 
    2. Make Payments 
    3. Upload Tax Documents in Bulk 
13. Select OK, then select OK again, and finally select Save. 
14. Review information and select Confirm. 

Missouri Unemployment Account 

The tax agency requires a signed POA form to authorize the TPA access online. After your first payroll with Payroll Vault Franchising Payroll, email us at pvtax@payrollvault.com to request a pre-filled POA to complete.