Aktenzeichen

Aktenzeichen is a German noun meaning file number, case number, or reference number. It is the unique identifier used by authorities, courts, or organizations to track, manage, and reference a specific file, application, or case. It is commonly abbreviated as Az. or Az. 

Key details about Aktenzeichen: Purpose: It acts as a reference number in official correspondence to ensure documents are added to the correct file. Components: It often contains a code for the organization, a file plan number, and sometimes includes the date the file was created. Usage: In cases like citizenship applications, the Aktenzeichen is the official reference number assigned by the processing authority (e.g., BVA). 

For example, a court might refer to "Aktenzeichen 123 O 45/20," where "123" is the court unit, "O" indicates the type of case (e.g., civil case), and "45/20" is the specific case number and year.