Year end…I happens every year, you might as well be ready.
Microsoft Dynamics GP Year-End Update 2017: Payables Management – Microsoft Dynamics GP Community
Microsoft Dynamics GP Year-End Update 2017: Payables Management – Microsoft Dynamics GP Community
Year-End & 1099Payables & ReceivablesMicrosoft & 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.