# Article 58 — Retail and Professional Client agreements (Article 24(1) and 25(5) of Directive 2014/65/EU) **Commission Delegated Regulation (EU) 2017/565 · binding · OJ L 87, 31.3.2017 · dated 25 Apr 2016 [in force]** *In force · Consolidated version of 2 August 2022 · Checked against EUR-Lex on 26 Oct 2026 · [Official source](https://eur-lex.europa.eu/legal-content/EN/TXT/?uri=CELEX:02017R0565-20220802)* Investment firms providing any investment service or the ancillary service referred to in Section B(1) of Annex I to Directive 2014/65/EU to a client after the date of application of this Regulation shall enter into a written basic agreement with the client, in paper or another durable medium, with the client setting out the essential rights and obligations of the firm and the client. Investment firms providing investment advice shall comply with this obligation only where a periodic assessment of the suitability of the financial instruments or services recommended is performed. The written agreement shall set out the essential rights and obligations of the parties, and shall include the following: **(a)** a description of the services, and where relevant the nature and extent of the investment advice, to be provided; **(b)** in case of portfolio management services, the types of financial instruments that may be purchased and sold and the types of transactions that may be undertaken on behalf of the client, as well as any instruments or transactions prohibited; and **(c)** a description of the main features of any services referred to in Section B(1) of Annex I to Directive 2014/65/EU to be provided, including where applicable the role of the firm with respect to corporate actions relating to client instruments and the terms on which securities financing transactions involving client securities will generate a return for the client. **SECTION 4 — Reporting to clients**