REFERENCE(I_BOCAT) LIKE VDBOHEAD-SBO_CAT
REFERENCE(I_SBO_CAT) TYPE VDBOHEAD-SBO_CAT OPTIONAL
REFERENCE(I_BOCAT) TYPE VDBOHEAD-SBO_CAT
REFERENCE(I_BO_CAT) TYPE VDBOHEAD-SBO_CAT
REFERENCE(I_SBO_CAT) TYPE VDBOHEAD-SBO_CAT