****** Design ****** The *Currency RO Module* extends some existing concepts. .. _model-currency.cron: Scheduled Rate Updates ====================== When the *Currency RO Module* is activated, the `Romanian National Bank <https://bnr.ro/>`_ is added as source. If it is selected then only the Romanian Leu can be used as a base currency. .. seealso:: The `Scheduled Rate Updates <currency:model-currency.cron>` concept is introduced by the :doc:`Currency Module <currency:index>`.