purchase_delivery_order => 'einkaufslieferscheine',
credit_note => 'gutschriften',
invoice => 'rechnungen',
+ invoice_for_advance_payment => 'rechnungen',
+ final_invoice => 'rechnungen',
purchase_invoice => 'einkaufsrechnungen',
part => 'waren',
service => 'dienstleistungen',
letter => 'briefe',
general_ledger => 'dialogbuchungen',
accounts_payable => 'kreditorenbuchungen',
+ customer => 'kunden',
+ vendor => 'lieferanten',
+ dunning => 'mahnungen',
);
sub get_all_files {