{"_comment":"Copy-paste UCP profile declaration for a business (or its checkout provider) that runs or relays the ProveCart conformity check: declare the com.provecart.conformity extension in your business profile, next to the checkout capability. Replace <negotiated> with the checkout version your deployment actually negotiates. The extension is an open proposal (ACF), free to implement; declaring it tells agent platforms your checkout responses can carry conformity verdicts and machine-readable corrections. Spec: https://provecart.com/standards/correction-format — full worked example: https://provecart.com/standards/profile-declaration-example.json","capabilities":{"dev.ucp.shopping.checkout":[{"extensions":{"com.provecart.conformity":[{"extends":["dev.ucp.shopping.checkout","dev.ucp.lodging.booking"],"schema":"https://provecart.com/standards/acf-v0.2.schema.json","spec":"https://provecart.com/standards/correction-format","version":"0.2.0"}]},"version":"<negotiated>"}]}}