# Article 31 — Access interface options **Commission Delegated Regulation (EU) 2018/389 · binding · OJ L 69, 13.3.2018 · dated 27 Nov 2017 [in force]** *In force · Consolidated version of 12 September 2023 · Checked against EUR-Lex on 26 Oct 2026 · [Official source](https://eur-lex.europa.eu/legal-content/EN/TXT/?uri=CELEX:02018R0389-20230912)* Account servicing payment service providers shall establish the interface(s) referred to in Article 30 by means of a dedicated interface or by allowing the use by the payment service providers referred to in Article 30(1) of the interfaces used for authentication and communication with the account servicing payment service provider's payment services users.