---
sourceDocument: Yokohama Finance and Supply Chain
sourceDocumentLink: https://servicenow-prod.fluidtopics.net/r/yokohama/source-to-pay-operations

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    - yokohama

ft:locale :

    - en-US

ft:publication_title :

    - Yokohama Finance and Supply Chain

ft:clusterId :

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workflow :

    - Employee


---

# Tax calculation API

# Tax calculation API {#ariaid-title1}

* Release version: Yokohama
* 
* Updated January 30, 2025
* 
* ![](https://www.servicenow.com/docs/portal-asset/ico-clock) 1 minute to read

A tax calculation API is created to provide specific parameters to a tax calculator
engine, SAP in this case.
The following parameters are to be used in a tax calculation generic API:

* Cart line:
  * Delivery location (from the checkout cart line)
  * System date
  * Purchase quantity (from the checkout cart line)
  * Total line amount (from the checkout cart line)
  * Currency (from the Fx Currency field in the cart line)
  {#tax-calculations-api__ul_grl_cv1_xmb}
* Supplier record:
  * Street address, City, State, County, Zip, Country, Region (from the vendor's supplier record)
  * Legal name (from the vendor's supplier record)
  {#tax-calculations-api__ul_rmn_dv1_xmb}
* Supplier product record: Model category (from the product model)
* Product model: Unit (from the cart line)
{#tax-calculations-api__ul_nhl_z51_xmb}  
A staging table is also created that includes the following output parameters for the API:

* Tax amount
* Tax jurisdiction
* Tax type/description
* Tax percentage
{#tax-calculations-api__ul_kqr_4v1_xmb}