Sign up for Buy on Google by selecting it when you sign up for Merchant Center, or click Growth in the left navigation menu, then Manage programs.
When you set up Buy on Google, you’ll need to:
Add your business information and customer service email address
Set up your tax and shipping settings (Buy on Google requires specific policies in these areas)
Create your policies for handling customer returns
Link your payment service provider
You also have the option to:
Customer service contact
Buy on Google requires you to have a customer service contact, so users can get your help with problems they might find with their shopping experience.
When setting up your customer service contact, you can choose to invite users to subscribe to your marketing emails during checkout. This setting can be adjusted at any time.