Examples

This section contains complete, production-quality SDF examples for the most common document types. Each example includes meta.json, data.json, and producer code in TypeScript and Python.

B2B examples

Example	Document type	Use case
Invoice (B2B)	invoice	Supplier billing — Acme Supplies GmbH → Global Logistics AG
Nomination	nomination	Supplier confirms goods dispatch per a purchase order
Purchase Order	purchase_order	Buyer issues a structured purchase order to a supplier

B2G / G2G examples

Example	Document type	Use case
Tax Declaration	tax_declaration	Company submits VAT or corporate tax return to a tax authority
Customs Declaration	customs_declaration	Import/export customs filing
Permit Application	permit_application	Company applies for an operating or construction permit
Health Report	health_report	Healthcare provider submits a report to a public health authority (B2G / G2G)

Reference files

All examples correspond to the reference .sdf files in spec/examples/ and the proof-of-concept archives in spec/poc/.