# UBL 2.1 DIAN

Core for electronic invoicing pre-validation - DIAN UBL 2.1.

# Tags
* 1.0: Contains valid tests with binary security token (SOAP) and XAdES signature (XML) with algorithms sha1, sha256 and sha512.
* 1.1: Contains main templates for Web Service consumption, require curl as a dependency.
* 1.1.1: Canonization error is solved.
* 1.2: Contains valid proofs for the sending of credit notes and calculation of the CUDE.
* 1.3: License LGPL.
* 2.0: Contains valid proofs for the sending of debit notes and document name standard.

# Resources
* [Documentation](https://soenac.com/ubl21-dian)

## Authors

* **Frank Aguirre** - *Maintainer* - [Stenfrank](https://github.com/Stenfrank/)

## Donation
If this library help you reduce time to develop, you can give me a cup of coffee :smiley:.

[![paypal](https://www.paypalobjects.com/en_US/i/btn/btn_donateCC_LG.gif)](https://www.paypal.me/stenfrank/1?locale.x=es_XC)
