A controller for a commissioning device for storing piece goods such as medicinal packages is provided. The controller includes a delivery table that extends in a first direction, two elongated clamping jaws disposed above the delivery table, the jaws having clamping surfaces that face one another, and a clamping jaw guide apparatus with a frame structure, at least one first and one second guide which are separated from one another in the first direction and extend in a second direction, and at least four clamping jaw carriages which are coupled to the guides and driven in the second direction. Two clamping jaw carriages each are associated with a guide and at least two clamping jaw carriages separated from one another in the first direction are coupled to one clamping jaw, respectively.