The layers
ERP Adapter Layer
Adapters for Dynamics 365 Finance & Operations, Business Central and Tally, and a REST interface for other ERPs. ERP-specific differences are isolated behind a stable internal document contract.
Mapping Engine
No-code, versioned transforms convert ERP documents into NIC payloads. Mappings are validated against sample data before promotion.
Lifecycle Orchestration
State machines for IRN and EWB drive generation, extension, cancellation, multi-vehicle and CEWB — with idempotent, deterministic retries.
GSP / NIC Gateway
All government communication flows through the GSP to the IRP and EWB systems, with signed payloads and acknowledgement capture.
Immutable Audit Layer
State changes are recorded as events, so a document's history can be traced for audit.
Identity, tenancy, and trust run through every layer.
Identity & access
The organisation (PAN) is the tenant boundary, with GSTIN entities beneath. Role-based access with optional per-GSTIN scoping, and maker-checker approvals.
Personal data
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