{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "title": "NQFS 1.0",
  "type": "object",
  "required": [
    "spec",
    "supplier_name",
    "invoice_number",
    "invoice_date",
    "currency",
    "subtotal",
    "tps_rate",
    "tps_amount",
    "tvq_rate",
    "tvq_amount",
    "total"
  ],
  "properties": {
    "spec": { "type": "string" },
    "supplier_name": { "type": "string", "minLength": 1 },
    "supplier_tax_id": { "type": "string" },
    "supplier_email": { "type": "string" },
    "supplier_phone": { "type": "string" },
    "invoice_number": { "type": "string", "minLength": 1 },
    "invoice_date": { "type": "string", "pattern": "^\\d{4}-\\d{2}-\\d{2}$" },
    "due_date": { "type": "string", "pattern": "^\\d{4}-\\d{2}-\\d{2}$" },
    "currency": { "type": "string", "pattern": "^[A-Z]{3}$" },
    "subtotal": { "type": "number", "minimum": 0 },
    "tps_rate": { "type": "number", "minimum": 0 },
    "tps_amount": { "type": "number", "minimum": 0 },
    "tvq_rate": { "type": "number", "minimum": 0 },
    "tvq_amount": { "type": "number", "minimum": 0 },
    "total": { "type": "number", "minimum": 0 },
    "reference": { "type": "string" },
    "description": { "type": "string" }
  },
  "additionalProperties": false
}