The following officials must make the determinations required in 846.470:
(a) The Director, Office of Construction and Facilities Management, for those items and services for which purchase authority has been assigned to the Office of Construction and Facilities Management.
(b) The Director, Veterans Canteen Service, for those items and services purchased, or contracted for, by the Veterans Canteen Service (except those items purchased from VA supply sources).
(c) The DSPE for all other supplies, equipment, and services.