HI Mutale,
You can do it through OIAL. Following fieds can be set as Required. But this will be required during creation as well.
VIQMUR-QURNUM
VIQMUR-URGRP
VIQMUR-URCOD
You may need to look for exit QQMA0005 OR IWOC0002 to restric NOCO if following fields are blank,
VIQMUR-QURNUM
VIQMUR-URGRP
VIQMUR-URCOD
Regards,
Amol