Received an AB63/SB1146 Tax Discovery Letter?
The City of Los Angeles values the many contributions of entrepreneurs and business owners. If you have received an Assembly Bill 63 (AB63) letter, it is because we received information from the California Franchise Tax Board that you may be engaged in business activities within the City of Los Angeles and do not currently hold a Business Tax Registration Certificate (BTRC). Click the link below for more information.
Checklist for Service
For assistance in determining your tax liability, you may call or visit any of our offices. Please make sure to have the following:
Name of You or Your Spouse (if applicable)
Social Security Number or EIN
Brief description of your business activity
Daytime phone number (including area code) or email
IRS Form 1099-MISC or Schedule C of your Federal Tax Return for the past three (3) years
How to Apply for a Business Tax Registration Certificate
If you have received an AB63 letter AND have either your 1099 and/or Schedule C, please complete the following application form and either email or visit us in-person. Please enter the reference number included in your AB63 letter.
Form 1099-Misc / Schedule C Examples
AB63/SB1146 Forms and Documents
- AB63 Application for Business Tax Registration Certificate
- AB63 Alternative Form
- AB63 Employee Certification
- AB63 Information Flyer
- AB63 Notification Letter
Contact AB63/SB1146 Unit
Phone: (844) 663-4411
Mail: P.O. Box 53478, Los Angeles, CA 90053-0478