Exports data. You have to have set L<exporttype> and L<format> or an error will
occur. OBE exports are currently not implemented.
+=item csv_export_for_tax_accountant
+
+Generates up to four downloadable csv files containing data about sales and
+purchase invoices, and their respective payments:
+
+Example:
+ my $startdate = DateTime->new(year => 2012, month => 1, day => 1);
+ my $enddate = DateTime->new(year => 2012, month => 12, day => 31);
+ SL::DATEV->new(from => $startdate, to => $enddate)->csv_export_for_tax_accountant;
+ # {
+ # 'download_token' => '1488551625-815654-22430',
+ # 'filenames' => [
+ # 'Zahlungen Kreditorenbuchungen 2012-01-01 - 2012-12-31.csv',
+ # 'Kreditorenbuchungen 2012-01-01 - 2012-12-31.csv',
+ # 'Zahlungen Debitorenbuchungen 2012-01-01 - 2012-12-31.csv',
+ # 'Debitorenbuchungen 2012-01-01 - 2012-12-31.csv'
+ # ]
+ # };
+
=back
=head1 ATTRIBUTES