Every time I show off tips, someone asks about Payroll, well, here’s a payroll improvement in the October 2019 release of Dynamics GP, when you build the check file, you have the option to include or exclude the additional withholding for Federal.
— Read on community.dynamics.com/gp/b/gpteamblog/posts/dynamicsgpoctober2019featureoftheday—payroll-option-to-exclude-additional-withholding-amount
#DynamicsGPOctober2019FeatureoftheDay – Payroll Option to exclude Additional Withholding Amount – Microsoft Dynamics GP Community
Payroll & HRMicrosoft & the GP Ecosystem
Archived post from 2019. Dynamics GP and the links it points to have changed since; check current documentation before relying on version-specific steps.