The Dynamics GP team is showing off 3 New Year End Close Features coming in GP 2013.
Feature of the Day: 3 New Year End Close Features – Inside Microsoft Dynamics GP – Site Home – MSDN Blogs
General Ledger & FinancialsYear-End & 1099Tips & Hidden FeaturesGP 2013
Archived post from 2012. Dynamics GP and the links it points to have changed since; check current documentation before relying on version-specific steps.