Required for OnPay to pay on your behalf
Third-Party Agent for the Oklahoma Tax Commission
Go to OK TAP and setup a passphrase for Third Party Access to your account.
Then, submit a request to our team, and provide the following information:
- TPA passphrase you’ve chosen
- The ZIP code on file with the state
- State withholding account ID
Note: You'll need your OnPay login credentials to submit a request. Trouble logging in?
We'll use the information you provide to send you an access request through OK TAP.
Once we've sent this request, you'll need to follow the steps below to accept our access.
- Once we've sent an access request, log into OK TAP and follow these steps:
- Click the My Profile link on the sidebar
- Go to Access to My Accounts
- Click Access Level for the TPA requested account type: Withholding - Wage Tax (Note: Selections will be grayed out until marked active)
- Select “All Access” from the access level menu, and click the “Active” checkbox
- Click Submit to grant OnPay the TPA access required to file on your behalf
Required for OnPay to pay on your behalf
Third-Party Agent for the Employment Security Commission
You must also add OnPay as your third-party agent on your Oklahoma EZ Tax Express account.
- Log into the EZ Tax Express website (you may need to create an account)
- Select Manage TPA Relationships from the menu
- Search for our FEIN: 47-4413175, and select OnPay, Inc from the menu
- Submit a request and let us know you've completed these steps
Note: You'll need your OnPay login credentials to submit a request. Trouble logging in?
Reminder
OnPay also needs you to enter your state tax IDs and tax rates in order to properly calculate and remit all state taxes. See all Oklahoma tax guides→
Forms you may need to complete upon request
You may be asked to take these steps in order for OnPay to communicate with tax offices.
Power of Attorney for the Oklahoma Tax Commission
- Download the Oklahoma TC Power of Attorney form
- Complete the top section regarding the Taxpayer information
- The Taxpayer will also need to sign the form
- Submit a request and attach a copy of your form
Note: You'll need your OnPay login credentials to submit a request. Trouble logging in?
Power of Attorney for the Oklahoma Employment Security Commission
- Download and print the Oklahoma ESC Power of Attorney form
- Complete the top section regarding your business information
- The taxpayer will need to sign under the statement
- This form will also need to be signed by a notary public and have a notary seal
- Mail the notarized form to the Oklahoma Employment Security Commission, at:
P.O. Box 52003,
Oklahoma City, OK
73152-2003 - Submit a request and attach a copy of your notarized form
Note: You'll need your OnPay login credentials to submit a request. Trouble logging in?