Make Product Reviews available in your Google Merchant account

Requirements

• You must have at least 50 product reviews ready for submission.
• A Merchant Center Account ID is required to complete the form.

Steps to Fill Out the Product Ratings Interest Form

1. Access the Form:

Navigate to the Product Ratings Interest Form provided by Google Merchant Center.

2. Provide Key Information:

• Merchant Center Account ID: Enter the ID associated with your Merchant Center account.
• Merchant Homepage URL: Provide the URL of your store or the primary domain.
• Personal Details: Enter your first name, last name, and email address.
• End Customer Company Name: If you are submitting the reviews on behalf of a client or agency, include their company details.

3. Review Eligibility Information:

• Indicate that you are not using a third-party reviews aggregator.
• Confirm whether you currently have 50 or more reviews for submission.
• Specify the types of products (physical or digital) you collect reviews for.

4. Submit the Form:

Review the provided details and click Submit to begin the verification process.

5. Upload the Product Feed Source:

Once approved, you can just upload your Product Data Feed XML URL to your Google Merchant account. 
In case you need help on that, please see this article directly from the Google help.