From the GP Team, IT’S YEAR-END TIME AGAIN!! Microsoft Dynamics GP Year-End Blog Series for 2015
IT’S YEAR-END TIME AGAIN!! Microsoft Dynamics GP Year-End Blog Series for 2015 – Microsoft Dynamics GP Community
Year-End & 1099Microsoft & the GP Ecosystem
Archived post from 2015. Dynamics GP and the links it points to have changed since; check current documentation before relying on version-specific steps.