IT items which can or potentially can access the Marine Corps Enterprise Network (garrison internet and/or email system). These items now fall under the purview of the Navy-Marine Corps Intranet.
Waiver: C4I Waiver
Source: HQMC C4, via your S-6/G-6 chain
Reference: CMC msg 040400Z Jan 01 and CMC msg 231130Z Jan 01
* Note that items which require a C4I Waiver also require the ADM.