Coming soon with the release of Dynamics GP 2010 is
integration of Depot Management from the Field Service module with Dynamics GP
Payroll
. Inside Microsoft Dynamics GP has the details.
Dynamics GP 2010: Integration of Service with Payroll
Payroll & HRDevelopment & IntegrationGP 2010
Archived post from 2010. Dynamics GP and the links it points to have changed since; check current documentation before relying on version-specific steps.