Originally Posted by
Full Score
Are you absolutely sure about this? Entering SYD-MEL on the BA Collecting Miles and Tier Points page gives an error regardless of whether I choose BA or QF.
Are tier points really accruable on BA code shares?
Mmm... it does give an error.

But try SYD-ADL and you'll see what I mean. Also I can absolutely vouch for the fact that it worked for me in June last year on the QF flights booked on the BA codeshare.
Edited to add: But if you type in "melbourne" and not "mel" it duly shows the 120 TP's for SYD-MEL no problem!