This is an example of how to restrict the "Add to Cart" button so that only members can purchase using the Shopify theme "Dawn." The restriction applies only to products with specific tags.
Example of setting up the theme "Dawn" to require member registration to add items to the cart

[Setup Method 1] Add a customized Liquid section to your product template and insert the code

[Setting Method 2] Add tags to products that can only be purchased by members

