Inter-Departmental Relationship 
In addition to the organizational relationships between organizational units (OUs) you define within the organizational hierarchy, inter-departmental relationships can also exist between OUs. An inter-departmental relationship exists if one OU is authorized to assign patients to beds on another OU even though no organizational relationship exists between these OUs.
You can only maintain this inter-departmental relationship between two OUs if this is allowed in the master data of the OUs. In other words, the Inter-Dept.Asgmt Auth. indicator (authorized to assign patients to beds on OU of other department) must be set in the master data of the assigning (departmental) OU and the Inter-Dept. OU indicator (beds on OU can be assigned patients from other department) must be set in the master data of the (nursing) OU to which the assignment is to be made.

The following illustration is an example of an organizational hierarchy with inter‑departmental relationships.

In the above illustration, the Urology department is authorized to make inter-departmental assignments to the beds of care unit 2 and to the intensive care unit of the surgery department.

Do not assign departmental OUs below nursing or treatment OUs (i.e. care units or outpatient clinics) in the hierarchy.

To make the correct inter-departmental assignment of urology unit 1 to the departmental OUs Surgery and Urology, proceed as follows:

Do not make recursive assignments, as illustrated below:

Note that the examples illustrated as incorrect above are only possible or can occur if the OU Surgery Unit 1 or the OUs Surgery Unit 1 and Urology Unit 1 are also flagged as “departmental OUs” and as “authorized to assign patients to beds on OU of other department” (Inter-Dept. Asgmt Auth. indicator set).
See also:
Maintaining Inter-Departmental Relationships