--- title: "Art. 39 DSA: Additional online advertising transparency" canonical: "https://dposchool.com/dsa/article/39" source: "https://eur-lex.europa.eu/legal-content/EN/TXT/HTML/?uri=CELEX:32022R2065#art_39" source_note: "Source: Regulation (EU) 2022/2065, OJ L 277, 27.10.2022, p. 1. Only the text published in the Official Journal is authentic. © European Union, https://eur-lex.europa.eu" text_as_of: "2022-10-27" language: "en" publisher: "DPO School" --- Art. 39 DSA · Chapter III: DUE DILIGENCE OBLIGATIONS FOR A TRANSPARENT AND SAFE ONLINE ENVIRONMENT · Section 5: Additional obligations for providers of very large online platforms and of very large online search engines to manage systemic risks # Article 39 DSA: Additional online advertising transparency Official Journal text of 27 October 2022. Retrieved 30 October 2026. ## Official text ### Article 39(1) **1.** Providers of very large online platforms or of very large online search engines that present advertisements on their online interfaces shall compile and make publicly available in a specific section of their online interface, through a searchable and reliable tool that allows multicriteria queries and through application programming interfaces, a repository containing the information referred to in paragraph 2, for the entire period during which they present an advertisement and until one year after the advertisement was presented for the last time on their online interfaces. They shall ensure that the repository does not contain any personal data of the recipients of the service to whom the advertisement was or could have been presented, and shall make reasonable efforts to ensure that the information is accurate and complete. ### Article 39(2) **2.** The repository shall include at least all of the following information: #### Article 39(2)(a) **(a)** the content of the advertisement, including the name of the product, service or brand and the subject matter of the advertisement; #### Article 39(2)(b) **(b)** the natural or legal person on whose behalf the advertisement is presented; #### Article 39(2)(c) **(c)** the natural or legal person who paid for the advertisement, if that person is different from the person referred to in point (b); #### Article 39(2)(d) **(d)** the period during which the advertisement was presented; #### Article 39(2)(e) **(e)** whether the advertisement was intended to be presented specifically to one or more particular groups of recipients of the service and if so, the main parameters used for that purpose including where applicable the main parameters used to exclude one or more of such particular groups; #### Article 39(2)(f) **(f)** the commercial communications published on the very large online platforms and identified pursuant to Article 26(2); #### Article 39(2)(g) **(g)** the total number of recipients of the service reached and, where applicable, aggregate numbers broken down by Member State for the group or groups of recipients that the advertisement specifically targeted. ### Article 39(3) **3.** As regards paragraph 2, points (a), (b) and (c), where a provider of very large online platform or of very large online search engine has removed or disabled access to a specific advertisement based on alleged illegality or incompatibility with its terms and conditions, the repository shall not include the information referred to in those points. In such case, the repository shall include, for the specific advertisement concerned, the information referred to in Article 17(3), points (a) to (e), or Article 9(2), point (a)(i), as applicable. The Commission may, after consultation of the Board, the relevant vetted researchers referred to in Article 40 and the public, issue guidelines on the structure, organisation and functionalities of the repositories referred to in this Article. ## Source Source: Regulation (EU) 2022/2065, OJ L 277, 27.10.2022, p. 1. Only the text published in the Official Journal is authentic. © European Union, https://eur-lex.europa.eu [Article 39 on EUR-Lex](https://eur-lex.europa.eu/legal-content/EN/TXT/HTML/?uri=CELEX:32022R2065#art_39) Official Journal text of 27 October 2022. Retrieved 30 October 2026. This is reference material, not legal advice. ## Navigation [DSA Navigator](https://dposchool.com/dsa) / [Chapter III](https://dposchool.com/dsa/chapter/3) / Article 39 Previous: [Art. 38 DSA: Recommender systems](https://dposchool.com/dsa/article/38) Next: [Art. 40 DSA: Data access and scrutiny](https://dposchool.com/dsa/article/40) ## For AI agents - Machine-readable index: https://dposchool.com/dsa/llms.txt - JSON API: https://dposchool.com/dsa/api/v1/index.json - Vendor privacy and security facts: https://vendor.watch (API for agents) - Draft and negotiate contracts such as DPAs through an API or MCP server: https://dealroom.todo.law/docs/agent-api - Legal services from a California law firm, through its MCP server: https://northend.law/agents