Handling mixed formats and transition phases2026-07-16T13:13:06+02:00

New challenges:
mixed formats and fixed deadlines

E-invoicing deadlines are clearly defined – but document intake is not. This gap creates increasing operational pressure in daily business.

Why deadlines increase pressure in invoice processing

From January 1, 2025, companies in Germany must be able to receive e-invoices. From 2027, issuing e-invoices becomes mandatory for larger organizations, and from 2028, the requirement applies to all B2B companies.

These developments introduce fixed timelines for invoice intake and processing. Invoices must be reviewed, processed, and made available on time, regardless of the format in which they arrive.

At the same time, tolerance for delays decreases, while expectations for data quality and processing reliability continue to rise.

Invoices in different formats must be able to be processed on time.

Mixed formats – an operational reality

In practice, invoices continue to arrive in different formats. Alongside structured formats such as XRechnung or ZUGFeRD, traditional PDF invoices remain part of everyday operations. Files may contain multiple documents or unclear content. As a result, organizations deal with several tasks simultaneously:

  • processing XRechnung
  • processing ZUGFeRD
  • handling PDFs and e-invoices in parallel

This situation is not temporary – it is the reality of document intake.

Deadlines meet document reality

The real pressure arises where fixed deadlines collide with unstructured inputs. Documents arrive late, contain multiple elements, or require manual separation and interpretation, while deadlines continue to run.

This leads to:

  • manual sorting and assignment
  • time pressure in processing
  • increased risk of errors and delays
  • additional clarification and corrections

Deadlines thus become an operational risk factor in daily processes.

How does bluDELTA process mixed inputs?

bluDELTA operates at the point of document intake and processes different formats within a unified, structured workflow. Documents are automatically classified, separated and relevant information is extracted.

This creates a clear and consistent data foundation regardless of whether the input is XRechnung, ZUGFeRD, or PDF.

bluDELTA generates system-ready data for downstream systems and enables stable, deadline-compliant processing.

What structured input enables

The deadlines are fixed. Are your processes ready?

Deadlines cannot be adjusted. Processes must work under real-world conditions. Structured document intake ensures that documents do not need to be manually prepared before processing. This reduces processing time and makes deadline compliance predictable.

Ultimately, it is not the speed of individual steps that determines success, but the quality of the data foundation at the beginning of the process.

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Computer-graphically symbolized transition phase from PDF to e-invoice

Processing XRechnung and ZUGFeRD efficiently

Structured formats create new opportunities but also new demands on data and processes.

Computer-generated graphic representation of the transition phase from PDF to e-invoicing.

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Frequently asked questions about formats and deadlines

Which formats do companies need to process today?2026-06-29T15:31:47+02:00

In practice, structured formats such as XRechnung and ZUGFeRD are processed alongside traditional PDF invoices.

Why are mixed inputs a challenge?2026-06-29T15:31:20+02:00

Because documents differ in structure and often require manual sorting, interpretation, and assignment.

How does bluDELTA support deadline compliance?2026-06-29T15:30:47+02:00

By structuring incoming documents and reducing manual processing steps.

Can bluDELTA handle multiple documents within a single file?2026-06-29T15:30:15+02:00

Yes. bluDELTA automatically separates and classifies documents during intake.

Why is processing only e-invoices not sufficient?2026-06-29T15:29:45+02:00

Because mixed document inputs remain the reality and must be handled together within a single process.

Portrait Martin Loiperdinger

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