Fiscal Devices, POS & Cash Register Integration

Bulgarian NRA fiscal compliance delivered as engineered software: SUPTO conformant POS, near real time transmission, signed firmware manifests, and duplicate safe retries for sites with flaky connectivity.

Fiscal Devices, POS & Cash Register Integration

GNXSoft builds the compliance layer between Point of Sale systems and national tax authorities. We specialize in Bulgarian NRA fiscal requirements. Ordinance N 18, SUPTO compliance, fiscal device integration. and extend this expertise across European jurisdictions. Our platform processes millions of transactions daily: validated, signed, and reported to regulators in real time.

Bulgarian Fiscal Compliance

Bulgaria's fiscal landscape is governed by Ordinance N 18 under the VAT Act (ZDDS), requiring all retail businesses to use NRA approved fiscal devices and, increasingly, NRA registered sales management software (SUPTO). Non compliance carries severe penalties. fines, site closures, and criminal liability. We eliminate this risk completely.

SUPTO. Sales Management Software

  • NRA Registered Solutions. We develop and integrate sales software registered in the NRA public register per Article 118 of the VAT Act. Your software is declared, approved, and fully compliant before a single transaction is processed.
  • Complete Audit Trail. Every sale, correction, storno operation, discount, and void is logged with tamper proof records. Full traceability from order to fiscal receipt.
  • Real Time NRA Reporting. Automated transmission of sales data to the National Revenue Agency. Daily financial reports generated and archived automatically.
  • Multi Site Management. Centralized control of fiscal operations across all your commercial sites with unified reporting and configuration.

Fiscal Device Integration

  • All Major Bulgarian Brands. Direct integration with Datecs (FP 50, BlueCash), Daisy (Compact, SMART series), Tremol (M20, FP24), Eltrade, Incotex, and ISL fiscal devices.
  • Fiscal Printers & ECR. Support for both electronic cash registers (ECR) and electronic systems with fiscal memory (ESFM). Automatic protocol detection and configuration.
  • Digital Receipt Signing. Cryptographic signing per NRA requirements with secure key management, HSM integration, and tamper proof audit trails for every transaction.
  • Device Health Monitoring. Real time status of all connected fiscal devices. Automatic alerts for paper low, memory full, communication failures, and fiscal memory expiration.
  • Fiscal Memory Management. Tracking of fiscal memory usage, automated reminders for replacement, and compliant deregistration/registration workflows.

POS Ecosystem Integration

We don't replace your POS. we make it fiscally compliant. Our middleware sits between your existing POS infrastructure and the regulatory layer.

  • Universal POS Connector. Integration with any POS system via REST API, SOAP, direct database, or file based interfaces. Compatible with Microinvest, Eltrade Detelina, Ovelon, IncoPOS, and custom POS solutions.
  • Payment Terminal Integration. Seamless connection with card terminals supporting NFC, chip, contactless, mobile wallets, and QR payments per PSD2 requirements.
  • Barcode & Scale Integration. Support for all major barcode scanners, label printers, and electronic scales used in Bulgarian retail.
  • ERP Connectivity. Bidirectional integration with SAP Business One, Microsoft Dynamics, and Bulgarian ERP systems for unified inventory, pricing, and financial reporting.

Multi Jurisdiction Compliance

For businesses operating across borders, our fiscal abstraction layer handles the differences between jurisdictions automatically. One POS, multiple countries. Bulgaria (NRA), Romania (ANAF), Greece, Serbia, and more. Different receipt formats, signing algorithms, and reporting APIs handled transparently.

Proven Results

  • 3M+ fiscal transactions processed monthly across all connected merchants
  • 100% compliance rate. zero fiscal penalties for any client since deployment
  • Fiscal device recovery time: under 30 seconds
  • Support for 15+ fiscal device models from 6 manufacturers
  • Successful NRA audits for all connected commercial sites