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Business tax · New Zealand

Calculate New Zealand GST

Add or remove GST from a straightforward New Zealand taxable-supply amount and show the calculation.

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Tool ID

nz_gst

Add or remove GST from a straightforward New Zealand taxable-supply amount and show the calculation.

LiveNew ZealandBusiness tax1 credit
ServerNew Zealand
Information categoryTax calculations
Credit behavior1 credit
AccessWorkspace permissions

Inputs and outputs

Published input schema

Use the discovered runtime schema for the workspace you are connected to.

Public catalog
nz_gst input schema
{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "type": "object",
  "properties": {
    "tax_year": {
      "type": "string",
      "enum": [
        "2025-26",
        "2026-27"
      ]
    },
    "amount": {
      "type": "number",
      "minimum": 0,
      "maximum": 100000000
    },
    "gst_inclusive": {
      "type": "boolean"
    }
  },
  "required": [
    "tax_year",
    "amount",
    "gst_inclusive"
  ],
  "additionalProperties": false
}

Published output shape

Tool results return structured data or a stable error object.

Shared Aroai tool output schema
{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "anyOf": [
    {
      "type": "object",
      "properties": {
        "summary": {
          "type": "string"
        },
        "data": {
          "type": "object",
          "propertyNames": {
            "type": "string"
          },
          "additionalProperties": {}
        },
        "executionId": {
          "type": "string",
          "format": "uuid",
          "pattern": "^([0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[1-8][0-9a-fA-F]{3}-[89abAB][0-9a-fA-F]{3}-[0-9a-fA-F]{12}|00000000-0000-0000-0000-000000000000|ffffffff-ffff-ffff-ffff-ffffffffffff)$"
        },
        "creditsCharged": {
          "type": "number",
          "minimum": 0
        },
        "usage": {
          "type": "object",
          "properties": {
            "credits_charged": {
              "type": "integer",
              "minimum": 0,
              "maximum": 9007199254740991
            },
            "credits_remaining": {
              "anyOf": [
                {
                  "type": "integer",
                  "minimum": 0,
                  "maximum": 9007199254740991
                },
                {
                  "type": "null"
                }
              ]
            }
          },
          "required": [
            "credits_charged"
          ],
          "additionalProperties": false
        }
      },
      "required": [
        "summary",
        "data",
        "creditsCharged"
      ],
      "additionalProperties": false
    },
    {
      "type": "object",
      "properties": {
        "error": {
          "type": "object",
          "properties": {
            "code": {
              "type": "string"
            },
            "message": {
              "type": "string"
            },
            "retryable": {
              "type": "boolean"
            }
          },
          "required": [
            "code",
            "message",
            "retryable"
          ],
          "additionalProperties": false
        },
        "usage": {
          "type": "object",
          "properties": {
            "credits_charged": {
              "type": "integer",
              "minimum": 0,
              "maximum": 9007199254740991
            },
            "credits_remaining": {
              "anyOf": [
                {
                  "type": "integer",
                  "minimum": 0,
                  "maximum": 9007199254740991
                },
                {
                  "type": "null"
                }
              ]
            }
          },
          "required": [
            "credits_charged"
          ],
          "additionalProperties": false
        }
      },
      "required": [
        "error"
      ],
      "additionalProperties": false
    }
  ]
}

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