# Article 1 — Definitions **Commission Delegated Regulation (EU) 2025/1155 · binding · OJ L, 2025/1155, 3.11.2025 · dated 12 Jun 2025 [in force]** *In force · Commission Delegated Regulation (EU) 2025/1155, OJ L, 2025/1155, 3.11.2025 · Checked against EUR-Lex on 26 Oct 2026 · [Official source](https://eur-lex.europa.eu/eli/reg_del/2025/1155/oj/eng)* For the purposes of this Regulation, the following definitions shall apply:\ **(a)** ‘input data’ means data transmitted by data contributors to the CTP, in accordance with Article 22a(1) of Regulation (EU) No 600/2014; **(b)** ‘output data’ means data disseminated by the CTP, in accordance with Article 27h(1), point (d), of Regulation (EU) No 600/2014. **CHAPTER II — INPUT AND OUTPUT DATA OF CONSOLIDATED TAPES**