markcial.github.io

{
  "type": "object",
  "properties": {
    "invoiceId": {
      "type": "string",
      "description": "Serial of the invoice, e.g. DEMO-2026-003. Defaults to the most recent one."
    },
    "vatTreatment": {
      "type": "string",
      "description": "Rarely needed. Invoices already record why they charge no VAT, so this only applies to older records made before that was stored, or to override one. E1, E2, E3, E4, E5, E6, E7, E8 for an exempt operation, N1 or N2 for one outside the scope of VAT.",
      "enum": [
        "E1",
        "E2",
        "E3",
        "E4",
        "E5",
        "E6",
        "E7",
        "E8",
        "N1",
        "N2"
      ]
    }
  }
}