PA-100 Enterprise Registration explains how Pennsylvania Businesses register for state tax accounts and services using the PA-100 form.
This guide covers who must file, the information to gather, how To complete and submit the PA-100 via myPATH online, and what tax IDs you will receive.
1. Overview of PA-100 Enterprise Registration
The PA-100 is the primary registration form for businesses operating in Pennsylvania to obtain state tax accounts and unemployment accounts.
It is used by new businesses, existing entities adding taxes or locations, and those reactivating accounts with the Pennsylvania Department of Revenue and the Department of Labor & Industry.
Who Needs To File the PA-100?
Any person or entity conducting business in Pennsylvania must complete the PA-100 to register for applicable state taxes and services.
This includes Sole Proprietorships, Partnerships, Corporations, Limited Liability Companies, Associations, and nonresidents with Pennsylvania operations.
2. What Information You Need Before Starting
Gathering the required information beforehand streamlines the registration and reduces errors when completing the PA-100.
Below are the key items you should have ready before accessing myPATH.
Federal FEIN and Business Details
Obtain a Federal Employer Identification Number (FEIN) from the IRS if you have not already done so.
Provide your legal business name, trade name if applicable, physical and mailing addresses, and a reliable contact phone number and email.
Ownership, Structure, and Operational Dates
List owners, partners, or corporate officers including names, addresses, and SSNs or ITINs where required.
Specify your Business Structure and the date you began operations both inside and outside Pennsylvania if applicable.
Additional Required Items
Provide your fiscal year end (month and day) and your primary NAICS code to classify business activity.
Be prepared to indicate anticipated payroll, if you will hire employees, and the types of taxes you expect to owe.
3. How To Complete and Submit the PA-100
Complete the PA-100 online through the myPATH portal for fastest processing and confirmation of receipt.
New registrants generally complete Sections 1 through 10 and any additional sections indicated on the form.
Using myPATH To Register
Access myPATH at the Pennsylvania Department of Revenue website and select tax registration or new business registration to begin the PA-100 process.
Answer each question carefully and review entries before submission to avoid processing delays.
Submission and Processing Times
Submit the completed PA-100 electronically via myPATH; online submission is preferred and more efficient.
Processing typically takes about 24 to 48 hours after successful submission, and you will receive a confirmation of receipt from the department.
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4. What You Will Receive After Registration
After processing, the Department of Revenue will assign a Revenue Identification Number, commonly called a Revenue ID.
You will also receive any applicable tax account numbers for sales tax, withholding, business taxes, and other registrations you requested.
Unemployment Compensation and Other Accounts
If you report payroll or indicate you will have employees, a Unemployment Compensation (UC) account will be created with the Department of Labor & Industry.
UC registration can often be completed concurrently through the PA-100 so you do not need a separate filing after the initial registration.
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5. Local Taxes and Municipal Requirements
In addition to state accounts, many municipalities require registration for local Earned Income Tax and Local Services Tax.
Use the Pennsylvania Address Search Tool or local municipal resources to determine your local tax obligations and filing requirements.
6. Keeping Your Registration Up To Date
Maintain accurate and current registration information by notifying the Department of Revenue of any business changes such as address, ownership, or additional locations.
Failure To update registrations can lead to missed notices, incorrect tax filings, or penalties.
Reactivations and Additional Registrations
Established businesses use the PA-100 to reactivate accounts, add new tax types, or register new establishment locations in Pennsylvania.
Ensure you submit complete information for each new location to avoid separate processing for each site.
7. Checklist and Best Practices
- Obtain your Federal FEIN before starting the PA-100 to prevent delays.
- Gather owner SSNs or ITINs and accurate address information prior to completing the form.
- Choose your NAICS code in advance to correctly classify your primary business activity.
- Use myPATH for online submission and expect processing within 24 to 48 hours.
- Register for UC when you hire employees to ensure proper payroll tax handling.
- Confirm local tax obligations using the Pennsylvania Address Search Tool.
Common Mistakes To Avoid
Do not omit owner identification numbers or provide outdated addresses as these cause processing delays.
Do not forget To review selections for tax types and payroll estimates to ensure the departments set up the correct accounts.
8. Quick Reference Table of Accounts and Agencies
| Account Type | Agency | How To Register |
|---|---|---|
| Revenue Identification Number (Revenue ID) | Pennsylvania Department of Revenue | Complete the PA-100 via the myPATH portal; processed in 24 to 48 hours |
| Unemployment Compensation (UC) Account | Pennsylvania Department of Labor & Industry | Register concurrently on the PA-100 or follow instructions from DLI after submission |
| Sales and Use Tax Account | Pennsylvania Department of Revenue | Request during PA-100 registration through myPATH when you have taxable sales |
| Withholding Tax Account | Pennsylvania Department of Revenue | Indicate payroll on the PA-100 to receive withholding account numbers |
| Local EIT and LST | Local Municipalities and Tax Collectors | Determine requirements using the Pennsylvania Address Search Tool and local offices |
9. Additional Resources For Registration and Forms
- Pennsylvania Department of Revenue
- myPATH Tax Registration Portal
- Pennsylvania Department of Labor & Industry
- PA Business One-Stop Shop
- Pennsylvania Address Search Tool
PA-100 Enterprise Registration: Conclusion
Completing the PA-100 via myPATH is the essential first step for Pennsylvania Businesses that need state tax accounts or UC registration.
Prepare required information in advance, submit online for fast processing, and keep registrations current to stay compliant with state and local obligations.
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