Microsoft Dynamics GP Business Portal Human Resource Self Service Suite 2014 W-4 has released! I don’t think I need to add to this.
Microsoft Dynamics GP Business Portal Human Resource Self Service Suite 2014 W-4 has released! – Dynamics GP Support and Services Blog – Microsoft Dynamics GP – Microsoft Dynamics Community
Archived post from 2014. Dynamics GP and the links it points to have changed since; check current documentation before relying on version-specific steps.