--- title: Update tax information using the supplier catalog description: Suppliers can submit tax information change requests through the supplier portal to update or add tax details for their organization. locale: en-US canonical_url: https://www.servicenow.com/docs/r/australia/source-to-pay-operations/supplier-lifecycle-operations/submit-tax-information-from-portal.html release: australia product: Supplier Lifecycle Operations classification: supplier-lifecycle-operations topic_type: task last_updated: "2026-08-19" reading_time_minutes: 2 keywords: [supplier portal, tax information, supplier self-service] breadcrumb: [Raising requests, Using Supplier Collaboration Portal, Use, Supplier Lifecycle Operations, Finance and Supply Chain] --- # Update tax information using the supplier catalog Suppliers can submit tax information change requests through the supplier portal to update or add tax details for their organization. ## Before you begin Role required: sn\_slm.contact ## About this task Suppliers can add new tax information or update existing tax details. The system validates that only one tax record exists per country for each supplier. ## Procedure 1. Navigate to the Supplier Collaboration Portal home page by accessing your instance URL and adding a /supplier suffix. For example, `https://example.com/supplier`. 2. In the portal header, select **Raise a request**. 3. Select **Update tax details**. 4. To add new tax information, fill in the form. |Field|Description| |-----|-----------| |Supplier|Automatically populated with your supplier organization| |New or existing supplier tax ID|Whether tax details have to be added or updated for new or existing Tax ID| |Existing tax ID|Existing tax identification number \(appears only if Add new tax ID option is selected| |Supplier tax ID|Tax identification number to be updated| |Supplier tax type|Type of tax identifier| |Country|Country for which the tax information applies| |Active|Whether the Tax ID is active by default| 5. Select the tax record from the displayed list to update existing tax information, and modify the required fields. 6. Select **Submit**. The system validates that a tax record does not already exist for the same supplier and country combination. If a duplicate is detected, an error message appears prompting you to change the values. ## Result After successful validation, a case is created and assigned to a supplier manager for review. **Parent Topic:**[Raising requests from the Supplier Collaboration Portal](https://raw.githubusercontent.com/ServiceNow/ServiceNowDocs/australia/markdown/australia/source-to-pay-operations/supplier-lifecycle-operations/supp-catalog-req.md) **Related topics** [Add or remove a supplier location using the supplier catalog]() [Add a supplier contact using the supplier catalog]() [Remove a supplier contact using the supplier catalog]() [Ask a question using the supplier catalog]() [Submit an idea using the supplier catalog]() [Submit an issue using the supplier catalog]() [Update banking details using the supplier catalog]() [Update company profile using the supplier catalog]() [Request elevated access]() [Update default supplier]() [Request something else using the supplier catalog]()