# InvoiceExternalTaxServiceV1
REST v1.0.0 - ACTIVE
## Title
**Tax Calculation by External Engine / 外部税务引擎计算**
## Entity Fields
| Field | Type | Description |
|-------|------|------------|
| **InvoiceID** | String | Invoice ID / 发票ID |
| **TaxAmount** | Decimal | Tax / 税额 |
| **TaxCode** | String | Tax code / 税码 |
| **TaxRate** | Decimal | Rate / 税率 |
| **CalculationDate** | DateTime | Calc date / 计算日期 |
## Operations
- POST (Calculate tax)
## Notes
- [SAP API Hub](https://api.sap.com/api/InvoiceExternalTaxServiceV1/overview)