From Jason Gumpert and MSDynamicsWorld, Microsoft advises Dynamics GP payroll users on efforts to meet ACA compliance with GP 2013, GP 2015 | MSDynamicsWorld.com.
Microsoft advises Dynamics GP payroll users on efforts to meet ACA compliance with GP 2013, GP 2015 | MSDynamicsWorld.com
Payroll & HRYear-End & 1099Install, Upgrade & AdminGP 2015GP 2013
Archived post from 2014. Dynamics GP and the links it points to have changed since; check current documentation before relying on version-specific steps.