"the determining factor is the date of execution and not the date of invoice" in German The determining factor is the date of execution, and not the date of invoice. Maßgebend ist der Zeitpunkt der Leistung, nicht das Rechnungsdatum. Detailed translations for "the determining factor is the date of execution and not the date of invoice" The determining factor is the date of execution, and not the date of invoice. The determining factor is the date of execution, and not the date of invoice. Maßgebend ist der Zeitpunkt der Leistung, nicht das Rechnungsdatum.