What IndiaMike link says is their understanding.
What is given on IRI is based on IR rules and practice.
And you have experienced from your booking ticket from PGT to MAS with BP as CBE. Status is now RAC, but should be CNFM.
You may do now :
1-post...
more... your PNR into pnr forum
2-please post "entry no." here,
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so that
1- right predictions starts and your doubts too get settled further, and
2- cross link is easily traced by readers of this blog.
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Thirdly you are succeeding in changing of BP, so this is more encouraging to travellers to go for using the facility of BP change. So please try to post your experience, after your journey is over, at this place
/blog/post/840252Thanks