An adequate amount of medical supplies, as described in the Department's administrative requirements, and linen for stocking EMS vehicles shall be stored wherever EMS vehicles are garaged, unless a service has established centralized supply hubs containing the required supplies, a system for timely field replacement of supplies from support units, or unless a service obtains all medical supplies and linen from a hospital pursuant to a written agreement with the hospital.
105 CMR, § 170.400