# Error: Microsoft "Customer List Terms And Conditions Not Accepted"

The error **"CustomerListTermsAndConditionsNotAccepted"** occurs when the **Customer Match Terms and Conditions** for using customer lists in Microsoft Advertising have not been accepted. To resolve this issue, follow these steps:

#### Steps to Resolve:

* **Log in** to the [Microsoft Advertising web application](https://ads.microsoft.com/).
* **Create a customer list audience** (this audience does not need to contain any data).
* When prompted, select **"I ACCEPT"** to agree to the Customer Match Terms and Conditions.

#### Important Note:

The **Customer Match Terms and Conditions** must be accepted within the Microsoft Advertising UI. This step is mandatory before creating or managing customer list data via the **Campaign Management API**.

For additional assistance, visit the [Microsoft Advertising support page](https://ads.microsoft.com/support) or contact their support team.


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