Electronic Payroll — Regulatory Compliance & Digital Signing
Enterprise web application for detailed payroll computation, UBL 2.1 standard XML generation, XAdES-BES cryptographic digital signing, and direct transmission to tax authorities.
The Challenge
Comply with strict regulatory validation rules (DIAN Electronic Payroll standard), handling intricate earnings, deductions, and batch cryptographic signing without performance drops.
The Solution & Technical Approach
Engineered an automated pipeline that calculates payroll items, validates arithmetic consistency, signs XML documents with enterprise certificates, transmits to DIAN, and captures CUNE tokens.
Key Features
- Regulatory payroll computation and validation engine complying with official tax laws
- UBL 2.1 XML document builder with strict schema validation against official XSDs
- Cryptographic XAdES-BES digital signatures using enterprise OpenSSL certificates
- Secure SOAP integration with tax authority servers and persistent CUNE token storage
Technical Architecture
Laravel service architecture and CLI batch processors, XML schema builder with XSD validation, OpenSSL-powered XAdES-BES digital signature engine, and secure SOAP client for tax web services.
Enterprise DIAN Compliance Platform
Technology Stack
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