Colorado Business Registration (CR 0100) outlines how Employers register To collect sales tax and set up wage withholding accounts when operating in Colorado.
This guide explains Who must file Form CR 0100, How To apply online or by paper, processing timelines, and practical tips To stay compliant.
1. Overview of Colorado Business Registration (CR 0100)
Form CR 0100 is the Colorado Sales Tax and Withholding Account Application used To register for state sales tax and employer withholding accounts.
The form is required for businesses selling tangible personal property at retail, Employers with Colorado employees, and businesses seeking wholesale authorization.
Who Needs To File Form CR 0100?
Employers who will withhold Colorado income tax from employee wages must file.
Retailers making taxable sales in Colorado must register To collect and remit sales tax.
Wholesalers may apply for a wholesale license if they operate exclusively as wholesalers and do not sell at retail.
How To Apply: Online or Paper
Colorado encourages in-state businesses To register online through the MyBizColorado portal for immediate account confirmation.
Out-of-state businesses or those who prefer a paper route can download and mail Form CR 0100 To the Colorado Department of Revenue.
2. Steps For Completing Form CR 0100
Form CR 0100 is organized into sections A through G that gather specific business and tax information.
Complete each section carefully and sign To certify the accuracy of the submission.
Section-by-Section Guide
Section A asks you To indicate the reason for filing, such as new business, change of ownership, or adding a location.
Section B collects business details including legal name, trade name, and Federal Employer Identification Number (FEIN).
Section C requests information about the type of business activity and the products or services offered.
Section D identifies the sales tax license needed, for example retail or wholesale, and asks for the business location details.
Section E is for wage withholding: indicate whether the business will have employees subject To Colorado income tax withholding.
Section F lists owners, partners, or corporate officers with names and titles for contact and accountability.
Section G requires a signature and date to certify the application information is true and complete.
3. Registering Via the MyBizColorado Portal
MyBizColorado is the preferred online portal for registering Colorado businesses and applying for tax accounts.
Online registration typically provides immediate confirmation and account numbers so you can begin collecting and remitting taxes promptly.
Prepare business details like FEIN, NAICS code, and start date before beginning the portal application To speed the process.
The Fastest Growing
Restaurant & Hospitality Job Platform
Looking for top paid jobs? Or Hiring for your business?
4. Paper Submission and Processing Times
If you submit Form CR 0100 by mail, expect longer processing times compared To online registration.
Paper applications often take about four To six weeks for the Department of Revenue To process and assign account numbers.
Mail the completed form to the address listed on the Colorado Department of Revenue website and allow additional time during busy periods.
5. Sales Tax and Withholding Account Requirements
Anyone selling tangible personal property at retail in Colorado must obtain a state sales tax license.
Employers must set up a withholding tax account To remit Colorado income tax withheld from employees.
Keep accurate records of sales tax collected, exemptions claimed, and payroll withholding To support tax filings and audits.
6. Local Licenses and Additional Permits
Local governments may require business licenses, special permits, or local sales tax registration in addition To the state accounts.
Contact the city or county clerk where your business operates To verify local licensing and zoning requirements.
7. Maintaining Compliance and Reporting
File periodic reports and annual filings with the Colorado Secretary of State To maintain good standing if your business is an LLC or corporation.
Regularly file sales tax returns and remit withheld wages by the deadlines set by the Colorado Department of Revenue.
Update your CR 0100 registration if business structure, ownership, or locations change To avoid penalties or misdirected notices.
Best Practices For Employers
Obtain a FEIN before completing Form CR 0100 to prevent delays during registration.
Register online via MyBizColorado when possible for immediate account issuance and a faster start to tax collection.
Keep copies of submitted forms and official account numbers in your payroll and accounting systems.
Common Mistakes To Avoid
Do not wait until the first payroll or sale To register; apply before you begin operations to remain compliant.
Do not omit owner or officer names and titles in Section F, as incomplete applications can slow processing.
The Fastest Growing
Restaurant & Hospitality Job Platform
Looking for top paid jobs? Or Hiring for your business?
8. Quick Reference Table of Accounts and Agencies
| Account Type | Agency | How To Register |
|---|---|---|
| Sales Tax License | Colorado Department of Revenue | Register online via MyBizColorado or mail Form CR 0100; required for retail sellers |
| Withholding Tax Account | Colorado Department of Revenue | Indicate wage withholding in Section E of Form CR 0100 or register via MyBizColorado |
| Wholesale License | Colorado Department of Revenue | Apply on Form CR 0100 if operating exclusively as a wholesaler |
| Business Organization Filings | Colorado Secretary of State | File entity formation and maintain periodic reports through the Secretary of State portal |
9. Additional Resources and Official Links
- Colorado Department of Revenue - Taxation
- MyBizColorado Portal
- Colorado Secretary of State - Business Organizations
- Colorado Department of Regulatory Agencies (DORA)
- Colorado Small Business Development Center Network
Colorado Business Registration (CR 0100): Conclusion
Filing Form CR 0100 either online through MyBizColorado or by mail is a required step for Employers and Retailers doing business in Colorado.
Register early, maintain accurate records, and use the official resources listed above To ensure timely account setup and ongoing compliance with Colorado tax and regulatory requirements.
Loading comments...