das Aktenzeichen
Translation
reference number, file number, case number
Examples
Bitte geben Sie das Aktenzeichen an.
Please state the reference number.
Das Aktenzeichen steht oben auf dem Brief.
The file number is at the top of the letter.
Grammar Patterns
to state the Aktenzeichen (reference number) Please state the reference number.
Similar Words
Referenznummer (reference number), Vorgangsnummer (transaction number)
Etymology
Composed of 'Akten' (files, records) and 'Zeichen' (sign, mark). Literally a 'file sign'.
Memory Tips
Think of it as the unique 'sign' (Zeichen) on a set of 'files' (Akten) used for official reference.