# Article 16 — Unilateral changes to fees and conditions **Commission Delegated Regulation (EU) 2025/1156 · binding · OJ L, 2025/1156, 3.11.2025 · dated 12 Jun 2025 [in force]** *In force · Commission Delegated Regulation (EU) 2025/1156, OJ L, 2025/1156, 3.11.2025 · Checked against EUR-Lex on 26 Oct 2026 · [Official source](https://eur-lex.europa.eu/eli/reg_del/2025/1156/oj/eng)* 1. Where the terms and conditions of the market data agreement allow the market data provider to unilaterally change the fees or conditions for the provision of market data, such change shall be notified to the market data client at least 90 days in advance of that change entering into force. 1. Where the changes referred to in paragraph 1 result in less favourable fees and conditions for the market data client, the market data client shall have the right to withdraw from the market data agreement without incurring additional fees or penalties. That right shall be specified in the market data agreement. **CHAPTER V — CONTENT, FORMAT AND TERMINOLOGY OF THE MARKET DATA POLICIES**