Leitweg-ID Validator

Validate Leitweg-IDs for electronic invoicing to public contracting authorities in Germany. The Leitweg-ID has been mandatory for all invoices to public authorities since November 2020.

About Leitweg-IDs

The Leitweg-ID is a unique identifier for addressing invoice recipients in the German public sector. It was introduced as part of the e-invoicing mandate for public contracts and has been mandatory since November 2020.

Format Structure

The Leitweg-ID consists of three parts separated by hyphens:

  • Basic Address (2-12 digits): Identifies the authority level, federal state, and authority
  • Specific Address (0-30 alphanumeric characters): Identifies the specific department or cost center
  • Check Digit (2 digits): Calculated according to ISO/IEC 7064 (Modulo-97-10)
Examples
  • 991-12345-73
  • 02-L12345-05
  • 09-12345-15

Professional E-Invoicing Solution

For professional e-invoicing with XRechnung and ZUGFeRD, we recommend GrandTotal - the comprehensive business software with integrated support for Leitweg-IDs and electronic invoice formats.

Learn more about GrandTotal