Updated September 18, 2023
This article will cover:
- What information OnPay needs from you
- What state and local taxes and filings OnPay handles for Idaho employers
- Where you can find the tax account numbers needed
- Paying employees in other states?
Why is this important?
For employers who pay employees in Idaho, use this guide to learn what’s required to start running payroll while keeping compliant with state payroll tax regulations. Without this information, OnPay will be unable to file or deposit any Idaho tax payments for your company. Any penalties and interest that accrue from missed tax payments will be your company’s responsibility.
What information OnPay needs from you
Use this checklist to make sure you’ve covered everything required to set up your account as an Idaho employer so OnPay can accurately file and pay taxes on your behalf:
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✔ |
To do: |
What is this? |
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Make sure your business is registered with the Idaho State Tax Commission |
Allows your business to file and pay taxes in Idaho |
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Make sure your business is registered with the Idaho Department of Labor |
Allows your business to pay required unemployment insurance in Idaho |
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Provide OnPay with your Idaho Tax ID and deposit schedule |
The employer identification number issued by the Idaho State Tax Commission |
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Provide OnPay with your Idaho Unemployment ID |
A 6-digit number unique to your account with the Idaho Department of Labor |
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Provide OnPay with your Idaho Unemployment (SUI) Rate |
A tax rate you receive annually from the Idaho Department of Labor |
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Provide OnPay with your Idaho Unemployment ID PIN |
OnPay will need the unemployment PIN for Idaho in order to add your business. |
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Provide OnPay with your Idaho Administrative Reserve Tax Rate |
A required fee that supports the administration of Idaho’s UI Program |
What state and local taxes and filings OnPay handles for Idaho employers
OnPay handles the filing of all state and local taxes for businesses in Idaho, including:
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Type of Tax |
Form ID |
Form Name |
Frequency |
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Withholding |
Form 910 (Payment & Filing) |
Withholding Return |
Semi-Monthly, Monthly, Quarterly, & Annual |
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Form 967 (Filing) |
Annual Withholding Reconciliation Return |
Annual |
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W-2 (Filing) |
Wage and Tax Statement |
Annual |
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Unemployment |
Form TAX-020 (Filing) |
Quarterly Unemployment Insurance Tax Report |
Quarterly |
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Form TAX-026 (Filing) |
Unemployment Insurance Wage Report |
Quarterly |
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Other |
New Hire Report (Filing) |
Idaho Report of New Hires |
As required |
Where you can find the tax account numbers needed
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
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 0.31%–5.4%, and it has a wage base of $49,900
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 0.97% (this includes a 0.30% Workforce Development tax) with a wage base of $49,900
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.