I export the parts to a midi file and import into the new file. There are probably other ways to do it though such as multiple instances etc.

In your example posted, see if you can get the tag to start on it's own line. I've had some success doing that. In adjust bars/line, remember you can do stuff like 4,4,4,8 where you have 3 lines of 4 bars followed by 8 bar lines.

I sent this issue to BIAB years ago and have yet to see it fixed. Why don't you send your file to support and see what happens. I'd love a fix for this also.

R