‹ CA-2.2.2 Tier 2: Supplementary Capital › CA-2.2.3 The limits on AT1 instruments and T2 instruments are based on the amount of CET1 after deductions pursuant to CA-2.4 (see Appendices CA-22 and CA-23 for examples of the threshold deduction effects and the caps). January 2015 ‹ CA-2.2.2 Tier 2: Supplementary Capital ›