# Legacy locales To add a new locale, make sure to add/edit the following files: - `legacy/application/models/Locale.php` - `legacy/locale//LC_MESSAGES/libretime.po` - `legacy/public/js/datatables/i18n/.txt` - `legacy/public/js/plupload/i18n/.js` The `legacy/application/controllers/LocaleController.php` contains additional translations loaded by jquery i18n `$.i18n` and used with `$.i18n._`.