The GP Team offers some help with Microsoft Dynamics GP Year End Release 2014: Payables Management
Microsoft Dynamics GP Year End Release 2014: Payables Management – Microsoft Dynamics GP Community
Payables & ReceivablesYear-End & 1099Microsoft & the GP Ecosystem
Archived post from 2014. Dynamics GP and the links it points to have changed since; check current documentation before relying on version-specific steps.