Scheduled Payments for Payables in GP allows you to restructure AP invoice payments. You can create a schedule of payments that spans multiple periods.
Steve Chapman explains Scheduled Payments for Payables in Dynamics GP – Discover Dynamics ERP
Scheduled Payments for Payables in Dynamics GP – Discover Dynamics ERP
Archived post from 2017. Dynamics GP and the links it points to have changed since; check current documentation before relying on version-specific steps.