Retrieving partially present fields
If the last field in the physical variable-length segment at retrieval time is only partially present and if the data type is character (TYPE=C), data is returned to the application program padded with blanks on the right. Otherwise, the field is returned with a fill value based on the data type.
The following figure is an example of a partially present field on a retrieval call based on the DBD and PSB in Retrieving missing fields.

The ADDRESS field in the I/O area is padded with blanks to correspond to the length defined on the SEGM statement in the DBD.