For the purpose of this Chapter, the following definitions shall apply:
(1) "capital conservation buffer" means the own funds that an institution is required to maintain in accordance with Article 129;
(2) "institution-specific countercyclical capital buffer" means the own funds that an institution is required to maintain in accordance with Article 130;
(3) "G-SII buffer" means the own funds that are required to be maintained in accordance with Article 131(4);
(4) "O-SII buffer" means the own funds that may be required to be maintained in accordance with Article 131(5);
(5) "systemic risk buffer" means the own funds that an institution is or may be required to maintain in accordance with Article 133;
(6) "combined buffer requirement" means the total Common Equity Tier 1 capital required to meet the requirement for the capital conservation buffer extended by the following, as applicable: (a) an institution-specific countercyclical capital buffer; (b) a G-SII buffer; (c) an O
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