The DA PAM 415-28 also defines each real property facility category by associating its category code, facility type, facility description, measurement units, facility analysis category (FAC), facility category group (FCG), Department of the Army Staff facility category proponent, general ledger account code(GLAC), and investment category (IC).

The proponent for the DA PAM 415-28 is the Assistant Chief of Staff for Installation Management (ACSIM). 

The DA PAM 415-28 applies to the Active Army, the Army National Guard and the U.S. Army Reserve unless specifically stated otherwise.

In addition, the category codes, their descriptions and associated facility criteria can be found in the Army Criteria Tracking System (ACTS).