--- title: Tax lines description: Field descriptions for the Tax lines tab on an invoice line, including tax types, rates, and amounts associated with the invoice. locale: en-US canonical_url: https://www.servicenow.com/docs/r/australia/source-to-pay-operations/accounts-payable-operations/create-tax-lines-apo.html release: australia product: Accounts Payable Operations classification: accounts-payable-operations topic_type: reference last_updated: "2026-03-12" reading_time_minutes: 3 keywords: [APO, Accounts Payable Operations, invoice management, tax, invoice automation] breadcrumb: [Reference, Accounts Payable Operations, Finance and Supply Chain] --- # Tax lines Field descriptions for the Tax lines tab on an invoice line, including tax types, rates, and amounts associated with the invoice. ## Tax lines tab The following table displays the fields in the tax lines tab. |Field|Description| |-----|-----------| |Invoice Case| |Number|A unique system-generated number, which identifies the tax line.| |Tax type|Type of the tax applicable on the invoice.| |Supplier tax rate|The tax rate charged by the supplier.| |Supplier tax|The amount charged by the supplier.| |System tax rate|The tax rate calculated by the third-party tax calculation engine.| |Final tax|The tax amount paid for this invoice| |Invoice line|Invoice line for which the tax is applicable.| |Invoice|Invoice for which this tax is applicable.| - **[Invoice Tax lines fields](https://raw.githubusercontent.com/ServiceNow/ServiceNowDocs/australia/markdown/australia/source-to-pay-operations/accounts-payable-operations/tax-lines.md)** Field descriptions for the Invoice Tax Lines tab used to record tax details for invoice lines. - **[Tax status](https://raw.githubusercontent.com/ServiceNow/ServiceNowDocs/australia/markdown/australia/source-to-pay-operations/accounts-payable-operations/tax-status.md)** The tax status field in the invoice record is used to track the current status of tax validation processing throughout the tax integration workflow. - **[Tax integration field map fields](https://raw.githubusercontent.com/ServiceNow/ServiceNowDocs/australia/markdown/australia/source-to-pay-operations/accounts-payable-operations/tax-integration-field-map-fields.md)** Field descriptions for the Tax integration field mappings \[sn\_spend\_intg\_tax\_field\_map\] table, which defines the outbound and inbound mappings that transform invoice data between APO and a tax engine. **Parent Topic:**[Accounts Payable Operations reference](https://raw.githubusercontent.com/ServiceNow/ServiceNowDocs/australia/markdown/australia/source-to-pay-operations/accounts-payable-operations/acc-pay-reference.md) **Related topics** [Accounts Payable Operations properties]() [Create New Invoice Line form]() [Case exclusion reference fields]() [Create invoice cost allocation form]() [Outbound cost allocation staging table]() [Distribution set form]() [Create New Invoice case form]() [Create New Invoice task form]() [Invoice processing case form]() [Invoice exception form]() [Request Help form]() [Data required for invoice processing]() [Invoice exception definition form]() [Approval Rule form]() [Approval Plan form]() [Jurisdictions main table]() [Accounts Payable Operations glossary]()