2018 CD-429B Underpayment of Estimated Tax by C-Corporations
Corporations use Form CD-429B to determine whether the corporation owes interest on the underpayment of estimated tax and if so, the amount of interest.
New Transportation Commerce Tax Goes Into Effect July 1
Taxi and Rideshare companies must register for the new Transportation Commerce Tax by July 1. Register now.
Vapor Manufacturers Can Submit Their Certifications to the Department Starting on March 1, 2025
The Vapor and Consumable Product Directory will be available to view on May 1, 2025. For more information, go to Vapor Product and Consumable Product Certification and Directory.