Why is this important?
To maintain compliance with state payroll tax regulations, you must provide the following information before you can use OnPay to run payroll:
- State Employer Identification Number and state/local tax IDs
- Tax rates - State tax offices set these rates based on the type, age, and size of your business
- TPA and power of attorney - Most tax offices require this before we can submit quarterly wage reports and deposits on your behalf
This information must be provided and maintained by you in order for OnPay to accurately file and deposit tax payments for your company. OnPay is not responsible for any penalties or interest that incur due to missing or incorrect company tax information.
Each state has its own requirements, so if you pay employees in more than one state, you’ll find separate tax guides for each state.
Let Middesk handle your state tax registrations
Want help registering your business with state agencies? We've partnered with Middesk to make it simple for you to stay compliant in your state — and every state — when hiring employees.
- Register with state agencies and get the tax IDs you need within minutes
- Manage all your government accounts in one place using Middesk's intuitive platform
- Stay compliant by managing agency mail and notices from your Middesk dashboard
- Foreign Qualify with the Secretary of State to create payroll tax accounts
See what information you need to provide OnPay, and what taxes and filings OnPay handles for Idaho Employers.
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Information OnPay needs from you
Use this checklist to make sure you’ve covered everything required to set up your account as a Idaho employer, so OnPay can accurately file and pay taxes on your behalf:
All Idaho employers What is this? Make sure your business is registered with the Idaho State Tax Commission Allows your business to file and pay taxes in Idaho
Make sure your business is registered with the Idaho Department of Labor Allows your business to pay required unemployment insurance in Idaho
Provide OnPay with your Idaho Tax ID and deposit schedule The employer identification number issued by the Idaho State Tax Commission
Provide OnPay with your Idaho Unemployment ID A 6-digit number unique to your account with the Idaho Department of Labor
Provide OnPay with your Idaho Unemployment (SUI) Rate A tax rate you receive annually from the Idaho Department of Labor
Provide OnPay with your Idaho Unemployment ID PIN OnPay will need the unemployment PIN for Idaho in order to add your business.
Provide OnPay with your Idaho Administrative Reserve Tax Rate A required fee that supports the administration of Idaho’s UI Program
More info >Provide OnPay with your Idaho Workforce Development Tax Rate A component of your Idaho UI tax, this rate appears on the Notice of Tax Rate form that you receive from the Idaho Dept. of Labor.
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Taxes and filings OnPay handles for Idaho Employers
Withholding Tax
Form 910
(Payment & Filing)Withholding Return
- Semi-Weekly, Monthly, Quarterly
Form 967 (Filing)
Annual Withholding Reconciliation Return
- Quarterly
W-2 (Filing)
Wage and Tax Statement
- Annual
Unemployment Insurance Tax
Form TAX-020
(Filing)Quarterly Unemployment Insurance Tax Report
- Quarterly
Form TAX-026
(Filing)Unemployment Insurance Wage Report - Quarterly Other
New Hire Report
(Filing)Idaho Report of New Hires
- As required
Where you can find the tax account numbers you need
If you are an existing employer who has previously run payroll in the state of Idaho, you likely already have the IDs and online accounts needed for OnPay to process your tax filings.
If you are a new employer in Idaho, you will need to register your business with the State Tax Commission and Idaho Department of Labor. This must be completed for OnPay to be able to file and pay your Idaho taxes.
Withholding ID
Existing Idaho Employer:
You can find your Withholding Tax ID on notices received from the Idaho State Tax Commission. If you cannot locate this document or account number, please call the Idaho State Tax Commission at (800) 972-7660 to request it.
New Idaho Employer: Register with the Idaho State Tax Commission
- Register online with the Idaho State Tax Commision
- You should receive your account number and deposit schedule in about 10 days
Unemployment ID and Tax Rate
Updated January 1, 2025
Existing Idaho Employer:
- Your Idaho UI Contribution Rate appears on the Notice of Tax Rate form that you receive from the Idaho Department of Labor.
- This tax rate can range from 0.225% to 5.4%, and it has a wage base of $55,300
New Idaho Employer: Register with the Idaho Department of Labor
- You can check your liability and register online with the Idaho Department of Labor.
- Once the registration process is completed, you should receive your account number and UI contribution rate in roughly 10 days.
- The SUI rate for new employers is 1% (this includes a 0.30% Workforce Development tax) with a wage base of $55,300
Administrative Reserve Rate
Existing Idaho Employers:
- This is a component of the overall UI Tax rate and appears on the Notice of Tax Rate form that you receive from the Idaho Dept. of Labor
- This tax rate can range from 0.0% - 0.71859%
New Idaho Employers:
- New employers in Idaho will receive their Administrative Reserve Rate once they have registered with the Idaho Department of Labor
- New employers' rates are generally 0%
Idaho Workforce Development Rate
Existing Idaho Employers:
- This is a component of the overall UI Tax rate and appears on the Notice of Tax Rate form that you receive from the Idaho Dept. of Labor.
- This tax rate can range from 0.0% - 0.12681%
New Idaho Employers:
- New employers in Idaho will receive their Workforce rate once they have registered with the Idaho Department of Labor.
- New employers' rates are generally .04185%.
All Idaho Employers:
- When entering your SUI rate into OnPay, do not include the Idaho Workforce Development or Administrative Reserve rates.
- In the boxes for Workforce Development and Administrative Reserve, enter the rates assigned to your business on your quarterly tax form, TAX020
Paying employees in other states?
If you operate in multiple states or just have employees working from home across a state line, it's important to file the correct state forms for those workers. See what forms we file in the states where you pay employees.
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