Refusing costs you: Not stated. Who receives you: Named third parties.
“A list of those third parties who may be granted access to your information are as set out below, along with the reason(s) for such access.”
Paste this where the card should sit. It is the live verdict: if the grade changes, the card changes. It loads nothing from anywhere but this site and sets no cookie.
Editors that support oEmbed can paste the entity page's address instead, https://isitsellingme.com/entity/dunnhumby/, and get the same card.