Abstract: A cabinet locking system includes at least one cabinet having a housing and a plurality of separately openable compartments in the housing. The system has an interlocking device locking the compartments, that device including separate switchable locking devices mounted in the housing and assigned to the compartments as well as an access authorization device into which identification codes corresponding to the compartments may be entered. An electronic processing unit that is connected to the interlocking device and the access authorization device controls the locking devices in accordance with codes entered into the access authorization device so that by entering selected codes into that device, corresponding ones of the compartments are unlocked. The system also includes an interlock responsive to the opening of one unlocked compartment for preventing the opening of any other unlocked compartment.