in addition to the barrier 20 the exemplary embodiment of fig4 and 5 is provided with an outer barrier 29 a and an inner barrier 29 b and a second access region 30 the second access region 30 is illustrated by dots in fig4 and 5 the barriers 29 a 29 b interact in the manner of an air lock type system and are assigned to the second access region 30 the second access region 30 is located above the barrier 20 and thus allows access to the storage articles without the action of the access control system the front or outer barrier 29 a is configured as a door which can be displaced from top to bottom transversely to the access direction 18 and essentially in the plane of the access opening 17 the inner barrier 29 b is arranged on that side of the access region 15 which is directed towards the storage regions 2 3 and is likewise configured as a sliding door the barrier 29 b blocks an introduction opening 31 through which storage articles 4 are transported above the access control system 19 by the conveying means 11 into a second access position 32 in the second access region 30 the second access region 30 can be used for charging storage article carriers with storage articles by a user with high level access authorization or for storing and retrieving bulky storage articles which do not fit through the barrier 20 of.