# TSP list

In this section, you can manage the archive of TSP certificates used by **Namirial Sign**. In particular, in the "Certificates verified by the EU" area, these are grouped by country.

The list is updated automatically, but you can also update it manually by clicking the refresh button.

Settings - TSP List.
By clicking on one of the countries, you access a scrollable view of all TSPs belonging to the selected country.

Settings - TSP List by Country.
On the "Other trusted CAs" page, you can import other certificates considered trustworthy by the user or organization by clicking "select" and importing it into **Namirial Sign**.

Settings - Import external CA certificates.