> For the complete documentation index, see [llms.txt](https://docs.didomi.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.didomi.io/data-manager/vendors/edit-legal-basis-of-purpose-for-vendor.md). # Edit legal basis of purpose for vendor {% hint style="success" %} **Access Type**: Data Manager - Editor {% endhint %} A legal basis is the mechanism used by a vendor that defines the lawful ground that justifies the collection and processing of personal data for a given purpose. In this article, we will cover the following: * [Legal basis overview](#legal-basis-overview) * [Edit legal basis of purpose for vendor](#edit-legal-basis-of-purpose-for-vendor) {% hint style="warning" %} **Note**: Editing the legal basis for a purpose (e.g. changing a purpose from legitimate interest to consent) can impact your organization's monetization. {% endhint %} *** ### Legal basis overview When a purpose is initially added to a vendor it can utilize one of two legal basis which define the legal mechanism used to process end-user data:


Opt-in (based on consent)	The end-user needs to explicitly consent to the data processing involved with the stated purpose
Opt-out (based on legitimate interest)	The end-user is by default opted-into the data processing involved with the stated purpose and they have the option to reject the purpose. This processing must be legitimate, necessary, and not prejudice the rights and interests of individuals.

The ability to edit the legal basis for a purpose depends on factors such as the vendor type and purpose type being edited. Refer to the matrix below for more information:

Vendor type	IAB purposes	Global purposes	Custom purposes
IAB vendor	IAB purposes are predefined and managed by the IAB TCF framework and cannot be edited. If your organization has added any additional IAB purposes other than what was predefined for the vendor then these can be edited. Note: Publisher restrictions are available via the consent notice settings to enforce any organizational restrictions you my require. Click here for more information.	✅	✅
Google ATP vendor	IAB purposes are predefined and managed by the IAB TCF framework and cannot be edited. If your organization has added any additional IAB purposes other than what was predefined for the vendor then these can be edited. Note: Publisher restrictions are available via the consent notice settings to enforce any organizational restrictions you my require. Click here for more information.	✅	✅
Global vendor	✅	✅	✅
Custom vendor	✅	✅	✅

### Edit legal basis of purpose for vendor Click **Data Manager** in the left-hand panel and select the **Vendors** tab on the subsequent page.

Navigate to a vendor on the subsequent list and click **Edit** inline with the vendor name.

Use the respective **opt-in purposes** or **opt-out purposes** drop-down menu and deselect the purpose that is being edited for a new legal basis.

Next, navigate to the dropdown menu for the new legal basis of the purpose and select it from the menu.

Click **Save** when finished. The legal basis for the purpose will be edited according to your selections.

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