Mariano digs deep into 1099’s and finds that with 1099 reports: the devil is in the details
The Dynamics GP Blogster: 1099 reports: the devil is in the details
Year-End & 1099Reporting & BIMicrosoft & the GP Ecosystem
Archived post from 2012. Dynamics GP and the links it points to have changed since; check current documentation before relying on version-specific steps.