1.   Institutions shall apply either the Standardised Approach provided for in Chapter 2 or, if permitted by the competent authorities in accordance with Article 143, the Internal Ratings Based Approach provided for in Chapter 3 to calculate their risk-weighted exposure amounts for the purposes of points (a) and (f) of Article 92(3).

2.   For trade exposures and for default fund contributions to a central counterparty, institutions shall apply the treatment set out in Chapter 6, Section 9 to calculate their risk-weighted exposure amounts for the purposes of points (a) and (f) of Article 92(3). For all other types of exposures to a central counterparty, institutions shall treat those exposures as follows:

3.   For the purposes of this Regulation, exposures to third-country investment firms and exposures to third country credit institutions and exposures to third country clearing houses and exchanges shall be treated as exposures to an institution only if the third country applies prudential and supervisory requirements to that entity that are at least equivalent to those applied in the Union.

4.   For the purposes of paragraph 3, the Commission may adopt, by way of implementing acts, and subject to the examination procedure referred to in Article 464(2), a decision as to whether a third country applies prudential supervisory and regulatory requirements at least equivalent to those applied in the Union. In the absence of such a decision, until 1 January 2015, institutions may continue to treat exposures to the entities referred to in paragraph 3 as exposures to institutions provided that the relevant competent authorities had approved the third country as eligible for that treatment before 1 January 2014.