So frustrating, it's great! As a suggestion: the birth date picker should be one of those calendar popups where you are forced to browse back with an arrow to the previous month, a zillion clicks until you reach your birthdate. Of course with a slight delay between each click.
That would be torture
You can configure storage paths. That way, you can direct tags to be stored in a specific folder.
You can then get the files for the accountant from your file system.