https://userapps.support.sap.com/sap/support/knowledge/en/3819029
3819029 - Why is a Retention Line (TUR Segment, OTH Line) added to each PNR when it is not in my...
Why is a Retention Line (also called "TUR Segment, OTH Line") added to each PNR when it is not set up in my Finishing Template?
is aretention lineadded totursegment