There are no additional requirements for tax calculation. Any request triggers tax calculation as long as it contains at least one lineItems.

Request

There are no additional fields for tax calculation.

Response

There are no additional fields for tax calculation.

Example

Example request:

{
    "customer": {
        "destination": {
            "country": "IS"
        }
    },
    "lineItems": [
        {
            "extendedPrice": 100
        }
    ],
    "saleMessageType": "QUOTATION",
    "transactionType": "SALE"
}

Response:

{
    "data": {
        "customer": {
            "destination": {
                "country": "IS",
                "taxAreaId": "803520000"
            }
        },
        "documentDate": "2026-02-24",
        "lineItems": [
            {
                "customer": {
                    "destination": {
                        "country": "IS",
                        "taxAreaId": "803520000"
                    }
                },
                "extendedPrice": 100.0,
                "fairMarketValue": 100.0,
                "quantity": {
                    "value": 1.0
                },
                "taxIncludedIndicator": false,
                "taxes": [
                    {
                        "calculatedTax": 24.0,
                        "calculationRuleId": {
                            "salesTaxHolidayIndicator": false,
                            "userDefined": false,
                            "value": "v302693232"
                        },
                        "effectiveRate": 0.24,
                        "exempt": 0.0,
                        "imposition": {
                            "impositionId": "1",
                            "jurisdictionId": "78778",
                            "userDefined": false,
                            "value": "VAT"
                        },
                        "impositionType": {
                            "impositionTypeId": "v19",
                            "informationOnly": false,
                            "userDefined": false,
                            "value": "VAT"
                        },
                        "inputOutputType": "OUTPUT",
                        "invoiceTextCodes": [
                            21
                        ],
                        "isService": false,
                        "jurisdiction": {
                            "effectiveDate": "1900-01-01",
                            "expirationDate": "9999-12-31",
                            "jurisdictionId": "78778",
                            "jurisdictionType": "COUNTRY",
                            "value": "ICELAND"
                        },
                        "maxTaxIndicator": false,
                        "nominalRate": 0.24,
                        "nonTaxable": 0.0,
                        "notRegisteredIndicator": false,
                        "rateClassification": "Standard Rate",
                        "situs": "DESTINATION",
                        "taxCollectedFromParty": "BUYER",
                        "taxRateReductionExempt": 0.0,
                        "taxResult": "TAXABLE",
                        "taxStructure": "SINGLE_RATE",
                        "taxType": "VAT",
                        "taxable": 100.0
                    }
                ],
                "totalTax": 24.0,
                "transactionType": "SALE"
            }
        ],
        "returnAssistedParametersIndicator": true,
        "roundAtLineLevel": false,
        "saleMessageType": "QUOTATION",
        "subTotal": 100.0,
        "total": 124.0,
        "totalTax": 24.0,
        "transactionType": "SALE"
    },
    ...
}