Judy argues that We Need a National Accounts Window For Vendors . I agree. Follow the link for an opportunity to vote on the feature.
Dynamics GP 2013 – We Need a National Accounts Window For Vendors – Etelligent Solutions-
Payables & ReceivablesGP 2013
Archived post from 2014. Dynamics GP and the links it points to have changed since; check current documentation before relying on version-specific steps.