Hi,
Use below XPath Condition:
Interface BC1
IDOC/E1PL001/E1PI0009/E1P0000/BGEW = "01" OR
IDOC/E1PL001/E1PI0009/E1P0000/BGEW = "12"
Interface BC2:
IDOC/E1PL001/E1PI0009/E1P0000/BGEW !=" "01" OR
IDOC/E1PL001/E1PI0009/E1P0000/BGEW !=" "12" OR
IDOC/E1PL001/E1PI0009/E1P0000/BGEW !=" "17"
Please try and letus know if you face any issues.