(a) S-90) An unclassified interagency agreement is required for all DITCO contracts and shall be completed within the Bureau of Fiscal Service of the U.S. Treasury’s Department’s system, G-Invoicing. The interagency agreement process within the G-Invoicing system consists of the following FS Form 7600 documents:

(1) 7600A; an agreement establishing the GT&Cs

(2) 7600B; the order and funding information. The order must be part of the scope of the executed 7600A. Prior to certification of an order, a fully executed agreement must be documented.

Classified agreements are exempt from G-Invoicing requirements.