One aspect that can condition supervisory activity is the availability of full information on the activity of foreign branches, and to some extent also of the subsidiaries present in Italy, when  6  BIS Review 168/2009  their role is merely to distribute products developed abroad, often in London.
In these cases it becomes difficult to obtain, even during on-site examinations, the documentation needed to reconstruct the operations of the foreign intermediary in Italy; in some cases the transactions in question are complex, exposing banks to high operational, legal and reputational risks that are difficult to quantify.