--- title: Tax summary webhook now includes merchant business entity information - Shopify developer changelog description: Shopify’s developer changelog documents all changes to Shopify’s platform. Find the latest news and learn about new platform opportunities. source_url: html: https://shopify.dev/changelog/tax-summary-webhook-now-includes-merchant-business-entity-information md: https://shopify.dev/changelog/tax-summary-webhook-now-includes-merchant-business-entity-information.md --- [Back to Developer changelog](https://shopify.dev/changelog) December 24, 2025 Tags: * Admin GraphQL API * Webhook * 2026-01 # Tax summary webhook now includes merchant business entity information As of API version 2026-01, the `tax_summaries/create` webhook for Tax Partner Apps now include merchant business entity information. This addition provides details about the legal entity responsible for transactions, which is crucial for accurate tax calculation. **What's New** The tax webhook payload now feature a new `merchant_business_entity` field at the root level of the tax summary. This field includes the following details: * `id`: The global ID of the business entity (format: `gid://shopify/BusinessEntity/{id}`) * `company_name`: The legal name of the business entity * `display_name`: The display name of the business entity * `address`: The business entity's address, including: * Country * Province * Address lines * City * Zip code * Company name This field is optional and will only be present when the merchant has configured a legal business entity for their shop. **Structure** **Before (2026-01):** ```json { "summary": { "idempotent_key": "abc123", "shop": { ... }, "order_details": { ... } } } ``` **After (2026-01):** ```json { "summary": { "idempotent_key": "abc123", "shop": { ... }, "order_details": { ... }, "merchant_business_entity": { "id": "gid://shopify/BusinessEntity/12345", "company_name": "Acme Corporation", "display_name": "Acme Corp", "address": { "country": "CA", "province": "ON", "address1": "123 Main St", "city": "Toronto", "zip": "M5V 2T6", "company": "Acme Corporation" } } } } ```