--- title: Tax integration field map fields description: 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. locale: en-US canonical_url: https://www.servicenow.com/docs/r/australia/source-to-pay-operations/accounts-payable-operations/tax-integration-field-map-fields.html release: australia product: Accounts Payable Operations classification: accounts-payable-operations topic_type: reference last_updated: "2026-07-29" reading_time_minutes: 1 keywords: [APO, Accounts Payable Operations, tax field mapping, sn\_spend\_intg\_tax\_field\_map, Vertex, tax integration] breadcrumb: [Tax lines, Reference, Accounts Payable Operations, Finance and Supply Chain] --- # Tax integration field map fields 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. ## Tax integration field map fields The Tax integration field mappings \[sn\_spend\_intg\_tax\_field\_map\] table drives the transformation of invoice data between APO and the tax engine. Mappings are maintained as configuration rather than script. The following table describes the fields. |Field|Description| |-----|-----------| |Type|Direction of the mapping. Set to **outbound** for the request that is sent from APO to the tax engine, or **inbound** for the response that is returned from the tax engine.| |Transaction type|Transaction type that the mapping applies to, such as invoice tax verification.| |Source table|Table that the source data is read from.| |Source field|Field that the value is read from on the source table.| |Target field|Field that the value is written to in the target payload.| |Target entity|Entity in the target payload that the target field belongs to.| |Target tax engine|Tax engine that the mapping applies to, such as Vertex.| |Mapping type|Vertex's tax response is converted back as JSON format into internal staging record.| |Version|Version of the mapping set.| |Order|Order in which the mapping is applied.| |Active|Status of the mapping. The transformation uses active mappings only and excludes inactive mappings and mappings for a different tax engine.| **Parent Topic:**[Tax lines](https://raw.githubusercontent.com/ServiceNow/ServiceNowDocs/australia/markdown/australia/source-to-pay-operations/accounts-payable-operations/create-tax-lines-apo.md)