REFERENCE(PI_BILL_DOC) TYPE WISO_BILLHD-BILL_DOC DEFAULT SPACE
REFERENCE(PI_BILL_DOC) TYPE WISO_BILLHD-BILL_DOC
REFERENCE(PE_BILLHD) TYPE WISO_BILLHD
REFERENCE(PE_BILL_TYPE_DESCR) LIKE WISO_BILLHD-BILL_TYPE_DESCR
REFERENCE(PI_BILL_TYPE) LIKE WISO_BILLHD-BILL_TYPE
REFERENCE(PI_ORIG_BILLHD) TYPE WISO_BILLHD