On the back of the stove (left or right). It is either on a swing out plate or secured by rivets.

Inside the door(s). The data badge can be fixed on the inside of the main ashpan door.

Underneath the ashlip. This is either on a swing out plate or needs to be read using a mirror.

On inside of the door on top left hand side. (Riva Avanti)

The data badge can be fixed on the inside of the main or ashpan door. (Riva models)

On a swing out plate underneath the inner box. (Riva Studio models)

The data badge is found at the bottom of the inserts.
Depending on the model it is:
1. At the base behind the door.
2. Under the ashlip.
3. Under the base plate.
For some models this may be behind the frame/plinth.