{"page":"/blog/dsa-advertising-transparency","modified":"2026-11-10","license":"https://creativecommons.org/licenses/by/4.0/","columns":["Party","What the platform will need from it","Why"],"rows":[["Advertiser or agency","Legal names for \"on whose behalf\" and \"who paid\"","Article 26(1)(b) and (c); Article 39(2)(b) and (c)"],["DSP","Main targeting parameters, including exclusions; reach by member state","Article 26(1)(d); Article 39(2)(e) and (g)"],["SSP or exchange","Flags telling buyers that DSA data is required on this inventory","Platform must display data in real time"],["Data and segment providers","Segment taxonomies with no sensitive-data proxies when used on platforms","Article 26(3); recital 69"],["Retail media on a VLOP marketplace","Repository entries for paid placements that meet the Article 3(r) definition","Article 39"]],"sourceUrls":[[],[],[],[],[]]}