Access to the Tiers Application has to be requested (See Getting an account).
Access is managed at 2 levels, which you will need to precise when requesting the access :
Currently the WBP Tiers Application contains data coming from
The data is updated daily around ~8 am Paris Time.
All the Tiers queries use the same type of currency conversion :
This means that each document will be converted with the rate available for the posting date of that document.