Originally Posted by
A300flyer
[I]"* You will earn award miles as usual for flights booked under OS flight numbers that are operated by neither a Miles & More airline partner nor a STAR Alliance partner. Status miles, HON Circle miles and the Executive Bonus are not credited for these OS codeshare flights.
Example: OS 7027 Vienna - Riga, operated by Air Baltic (BT). You will earn award miles according to your booking class (see mileage overview)
Could it be a new rule? Because I read many times that in *A, the operating carrier had to be *A.
In any case, you will note that only award miles (without bonus) are earned when the metal is not *A, which can make a significant difference to many.