Hi,
You could generally use
Localize or GetResourceString methods in your email or invoice template macros.
See
Available macro methods article, methods:
String Localize (String inputText, String culture)
Localizes given text (resolves localization macros). This method is overloaded, while the String culture parameter is optional.
String
inputText: Text to be localized.
String
culture: Required culture of the translation.
The localization macros are described at
types of macros article.
String GetResourceString (String resourceStringKey, String culture)
Translates given resource string. This method is overloaded, while the String culture parameter is optional.
String
resourceStringKey: Name of the resource string.
String
culture: Target culture of the translation.
Should you need any additional details, please feel free to ask.
Regards,
Zdenek