Section Access; LOAD [ACCESS], NTNAME, SITE, ROLE, BU, MA, [GROUP] FROM [..\access.xls] (biff, embedded labels, table is Sheet1$);
Section Application; ROLES: LOAD * INLINE [ ROLE, Role TEST, TEST ALL, ALL NHC, NHC ];
And use the ROLE='NHC' to not allow access to specific functionality in your app for users who do not have the NHC flag present in the access.xls file.