From the Dynamics GP Support and Services Blog, Cheryl W. answers Common questions for PM EFT in Microsoft Dynamics GP
Common questions for PM EFT in Microsoft Dynamics GP – Dynamics GP Support and Services Blog
Payables & ReceivablesMicrosoft & the GP Ecosystem
Archived post from 2011. Dynamics GP and the links it points to have changed since; check current documentation before relying on version-specific steps.