That time of year is coming soon…and by that I mean year end. Microsoft Dynamics GP Year-End Update 2017: General Ledger – Microsoft Dynamics GP Community
Microsoft Dynamics GP Year-End Update 2017: General Ledger – Microsoft Dynamics GP Community
Year-End & 1099General Ledger & FinancialsMicrosoft & the GP Ecosystem
Archived post from 2017. Dynamics GP and the links it points to have changed since; check current documentation before relying on version-specific steps.