Originally Posted by
hondaman82
I have /f bc=j|bc=c|bc=d|bc=p|bc=z , but sometime fare "p" is business for some airlines but is economy for others.
If you're ever in a situation in which you do
have to do it the hard way, then AFAIK there is no alternative to finding out which booking classes are used by your chosen airline for business class, and then adjusting the code as necessary.