REFERENCE(I_UL_IR_KEY) TYPE /BA1/F4_STR_VOLA_IR_KEY
REFERENCE(I_IR_KEY) TYPE /BA1/F4_STR_VOLA_IR_KEY
REFERENCE(E_IR_KEY) TYPE /BA1/F4_STR_VOLA_IR_KEY
REFERENCE(I_IRV_KEY) TYPE /BA1/F4_STR_VOLA_IR_KEY