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# Article 1

**Commission Implementing Decision (EU) 2021/85 · binding on its addressees · dated 27 Jan 2021 [in force]**

*In force · Consolidated version of 7 April 2022 · Checked against EUR-Lex on 26 Oct 2026 · [Official source](https://eur-lex.europa.eu/legal-content/EN/TXT/?uri=CELEX:02021D0085-20220407)*

For the purposes of [Article 25](../../articles/25.md) of Regulation (EU) No 648/2012, the legal and supervisory arrangements of the United States of America for central counterparties (CCPs) which must comply with the rules applicable to covered clearing agencies laid down in Sections 3(a)(23) and 17A of the Securities Exchange Act of 1934, in Titles VII and VIII of the Dodd-Frank Wall Street Reform and Consumer Protection Act and in regulations adopted by the U.S. Securities and Exchange Commission thereunder, shall be considered equivalent to the requirements laid down in Regulation (EU) No 648/2012 where the internal rules and procedures of such a CCP include specific risk management measures ensuring that initial margins are calculated and collected on the basis of the following parameters:

<a id="art-1-p-a"></a>**(a)** in the case of derivative contracts executed on regulated markets, a liquidation period of 2 days calculated on a net basis;

<a id="art-1-p-b"></a>**(b)** in the case of OTC derivative contracts, a liquidation period of 5 days calculated on a net basis;

<a id="art-1-p-c"></a>**(c)** in the case of mortgage-backed securities traded on To-Be-Announced basis, a liquidation period of three days calculated on a net basis;

<a id="art-1-p-d"></a>**(d)** in the case of contracts as referred to in points (a), (b) and (c), measures designed to limit procyclicality equivalent to at least one of the following:

<a id="art-1-p-d-i"></a>**(i)** measures applying a margin buffer at least equal to 25 % of the calculated margins which the central counterparty allows to be temporarily exhausted in periods where calculated margin requirements are rising significantly;

<a id="art-1-p-d-ii"></a>**(ii)** measures assigning at least 25 % weight to stressed observations in the look-back period;

<a id="art-1-p-d-iii"></a>**(iii)** measures ensuring that margin requirements are not lower than those that would be calculated using volatility estimated over a 10 year historical look-back period.