Important
To effectively communicate with tax offices on your behalf, you must grant us Third Party Administrator access and/or Power of Attorney. Each tax office has its own authorization process, and may require different actions for you to take.
Third-Party Access for the Hawaii Department of Taxation
Because Hawaii requires Withholding Tax to be filed and paid electronically, all we need to get started is your FEIN, SSN, or ITIN, and either your:
- Letter ID - A number preceded by the letter "L" that can be found in the top right corner of any correspondence received from DOR;
- Recent Payment Amount - One of the last 5 payment amounts that have been made for the Employer Withholding Tax account or
- A recent refund amount received from the DOR
Submit a request and provide OnPay with your FEIN, SSN, or ITIN, along with one of these three verifiable amounts, so that we may register for the necessary access.
Power of Attorney (POA) for the Hawaii Department of Taxation
- Download the Hawaii DOT POA found at the bottom of this page
- Complete section 1: Taxpayer Information
- Complete section 3: Tax Matters- enter in the Hawaii Tax I.D. Number
- Complete section 6: Signatures of Taxpayer(s)
- Provide OnPay with your completed form
Download the POA form:
Third-Party Access for the Hawaii Department of Labor
- Create an online profile for your business on the Hawaii Unemployment Insurance website.
- Once you’ve created your profile for your Employer Login, submit a request asking us to send an access request to your HUI account. We’ll also email you once we’ve sent the request.
- Once the access request has been sent, you’ll need to accept the pending request by doing the following:
- Log in to your Hawaii Unemployment Insurance account
- Select “User Management”
- Accept the access request
Providing account information & completed forms
Submit a request and attach completed forms
To provide the information detailed in this article, click Submit a request, and log in using your OnPay credentials. The "Submit a request" form is the most secure way to transmit your company information and documents to us.
Note: You will need your OnPay login credentials.
You can also submit a request anytime you need help
Requests can also be submitted by clicking the link at the bottom of any help article, or by starting a chat when logged into OnPay. Submitting a support request is the fastest and most secure way to get help with tax matters, technical advice, or any other support you may need from OnPay.
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