Account assignment template FB50 Tree Display subfolders

Hi All

We are using a lot of account assignment templates in FB50.
We select them in the Tree Display and that works for us.

Because we have several company codes we would like to add subfolders to the Account assignment templates folder in Tree display.
So we can arrange the account assignment templates we use per company code in seperate folders. For example

Folder => Account assignment template
Subfolder : Company code X
Account assignment template 1

Account assignment template 2

Account assignment template 3

Subfolder : Company code Y
Account assignment template 4

Account assignment template 5

Account assignment template 6

Is this someway possible to set up in SAP NBC 3.5
Thank you in advance.

Kind regards
Tom