Development of Source Code Aligned with ‘Billing Computer Systems and VERI*FACTU Systems’

Development of Source Code Aligned with ‘Billing Computer Systems and VERI*FACTU Systems’

Many companies face the challenge of developing source code that meets the technical requirements for submitting billing records to the Tax Administration, as detailed in the document ‘Billing Computer Systems and VERI*FACTU Systems’. To address this need, we have developed an advanced project using Microsoft .net 4.8 technology, which meets almost all the required specifications, providing our clients with a powerful tool to expedite their development process.

Key Features of Our Source Code

  • Compilation Versatility: The source code can be compiled in various formats such as dll, web service, or REST, and is compatible with multiple platforms.
  • Constant Updates: Improvements and new functionalities are incorporated in line with the AEAT’s requirement updates.

Key features include:

  • Setting up parameters for communication.
  • Loading, validating, and using the taxpayer’s electronic certificate.
  • Creation of necessary records in required formats, mainly XML.
  • Integration of invoice fields and lines for various types of invoices.
  • Generation of XML in accordance with AEAT standards.
  • Hash calculation and electronic signing of XML files.
  • Automation of communication with the AEAT based on flow control parameters.
  • Management of responses from the AEAT.
  • Inclusion of future updates and functionalities.

In addition, we offer customization and tailored development services, even in other programming languages.

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