Police Intellectual Property Crime Unit (PIPCU) → IWL advertising recipients
distributes IWL for advertising decisions
The dated report and industry guide describe list distribution and authenticated access; receipt is distinct from adopted contracts and actual advertising action.
IAB UK → IWL advertising recipients
recommends IWL in contracts and processes
IAB recommends incorporating IWL data in advertising contracts/workflows and requesting PIPCU authorization. No executed advertiser agreement was acquired.
Thinkbox ADV0038 anonymous agency accounts → IWL advertising recipients
reports mixed public and private list use
January2018
Anonymous agencies describe PIPCU, private research, client and internal inputs. Thinkbox paragraphs14–15 separately caution some post-purchase blocking may leave payment intact; no named deployment or transaction was independently observed.