The CO rule linked by arma in the second message in this thread could be interpreted to mean that you have to book this segment under the codeshare CO flight number (if there is one) if you want to get CO credit.

> * OnePass Elite qualification miles and points may only be earned on
> Continental Airlines codeshare flights operated by Virgin Atlantic.

You might want to double-check that CO will in fact credit this BD codeshare.

cheers,

Henry