21st Century Accounting Payroll Tax Updates Download

Payroll Tax Update November 30, 2023
2019 W4 Configuration

This Tax Update does not include FIT changes for 2020 W-4s. Do not install this Tax Update if you have installed a Tax Update that allowed you to reconfigure your employees for 2020 W-4s.

Please provide your name, email address, and 21st Century Accounting or Payroll for Adagio Product Serial Number to download the latest Payroll Tax Update. You can find your Product Serial number on your C21 main menu under Help/About. This update is available only for registered users of C21 who have a current subscription for Payroll Tax Updates.

Please do the following before installing this update:

  1. Check your current Tax Update in the Help/About window of your C21 installation.
  2. Make a backup of all of your companies before you install.

Fill out the form and click send to proceed to the download page. All fields are required.

Name

Email

Serial Number

Where to find your Serial Number



If you are unable to download the Payroll Tax Update or have questions, you may need to renew your subscription. Please contact us to renew.

If you receive error message V03342003, you may have entered your serial number incorrectly. Please re-enter the serial number and try again.

To see a list of past Payroll Tax Update Changes, click here.

November 30, 2023 Payroll Tax Update

This Tax Update does not include FIT changes for 2020 W-4s.

Backup your company data in System/Company/Backup before you install this Tax Update. Do not install this Tax Update if you have installed a Tax Table for 2020 or later W-4s. If you are uncertain, please send us a Problem Report in Help/Submit Problem Report from your C21 menu bar.

Federal
W-2 Support for Electronic Filing
W-2 and W-3 Support for Plain Paper Forms 2023
W-2 and W-3 Support for Office Depot Forms 2023
W-2 and W-3 Support for Amazon Blue Summit Forms 2023
W-2 and W-3 Support for Dynamic Systems Forms 2023