JBA supports English and Dutch languages out of the box, and switching to the used language can be done by simply changing the default Joomla! language from administrator panel of joomla. If another language is required that is not yet supported, this can be easily done by copying and translating the English ini files (or any other one) to the desired language after installation from administrator panel.
Some type of Organisation have there own vocabulary (i.e. doctors). With the Joomla! overwrite, JBA can be customized very straightforward and the start of the configuration.