hide if empty and reference fields not filled Weiterlesen über Clone of Clone of BUH-385 external reference
hide if empty and reference fields not filled Weiterlesen über Clone of BUH-385 local reference - FILLED
hide if empty and reference fields not filled Weiterlesen über Clone of BUH-385 local reference - NOT FILLED
a button filled and reference filled to the same content and hide if empty checkbox checked Weiterlesen über Clone of BUH-385 checkbox checked
