CASE STUDY
JPK-VAT Integration - MPED JPK-VAT Gateway
Challenge
Generating JPK-VAT files with declaration requires companies to transform accounting and transactional data into structured reporting files compliant with official JPK schemas.
Organizations often store financial and transactional data across multiple systems such as ERP, sales platforms, warehouse systems, and accounting modules. Without a dedicated integration layer, the process of generating and validating JPK files can become complex and error-prone.
Typical challenges include:
- mapping transactional data to official JPK-VAT structures,
- ensuring consistency between accounting records and declarations,
- managing corrections and historical versions of files,
- validating data completeness before submission,
- maintaining compliance with updated reporting schemas.
Companies therefore require a controlled process that ensures reliable preparation and management of JPK reporting.
Solution
MPED developed MPED JPK-VAT Gateway, an integration solution that automates the preparation and validation of JPK-VAT reporting files.
The platform integrates ERP and accounting systems with the reporting process, enabling organizations to generate compliant files while maintaining full auditability.
The system:
- collects transactional data from ERP systems,
- normalizes and validates accounting information,
- maps data to official JPK-VAT structures,
- supports generation of initial files and corrections,
- stores historical versions and reporting artefacts.
Functionality
MPED JPK-VAT Gateway provides:
- automated extraction of accounting and transactional data,
- validation of input data and consistency checks,
- mapping of data to JPK-VAT structures,
- generation of initial reporting files and corrections,
- version management and document archiving,
- logging of technical and business validation errors,
- monitoring of reporting processes,
- configurable rules for different organizational environments,
- secure access and configuration management.
Technologies
- C# / .NET 8
- Azure Functions
- Azure Service Bus
- Azure Storage
- Azure Key Vault
- Managed Identity
- REST API
- JSON / XML
- Bicep
- Azure DevOps Pipelines
- Application Insights / Log Analytics
- automated tests and E2E validation scenarios
Results
The solution streamlines the JPK-VAT reporting process and reduces the risk of data inconsistencies or reporting errors. Organizations gain a clear audit trail from source data to generated files and can manage corrections and updates more effectively.
Automating the preparation and validation of JPK-VAT files improves operational efficiency and ensures compliance with evolving reporting requirements.
Summary
MPED JPK-VAT Gateway is an integration platform that supports automated preparation, validation, and management of JPK-VAT reporting files.
By introducing a controlled integration layer between ERP systems and reporting workflows, the solution improves reliability, traceability, and compliance in VAT reporting processes.