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# Article 31 — Reviewing extreme but plausible scenarios

**Commission Delegated Regulation (EU) No 153/2013 · binding · OJ L 52, 23.2.2013 · dated 19 Dec 2012 [in force]**

*In force · Consolidated version of 7 March 2024 · Verified 9 Nov 2026 · [Official source](https://eur-lex.europa.eu/legal-content/EN/TXT/?uri=CELEX:02013R0153-20240307)*

The procedures described in Article 30 shall be reviewed by the CCP on a regular basis, taking into account all relevant market developments and the scale and concentration of clearing member exposures. The set of historical and hypothetical scenarios used by a CCP to identify extreme but plausible market conditions shall be reviewed by the CCP, in consultation with the risk committee, at least annually and more frequently when market developments or material changes to the set of contracts cleared by the CCP affect the assumptions underlying the scenarios and so require an adjustment to the scenarios. Material changes to the framework shall be reported to the board.

**CHAPTER VIII — LIQUIDITY RISK CONTROLS ([Article 44](../../articles/44.md) of Regulation (EU) No 648/2012)**