- CA-2.2 CA-2.2 Limits on Components
- Tier 1: Core Capital
- CA-2.2.1- Tier 1 capital must constitute at least half of total - Regulatory Capital , i.e. the sum of Tier 2 and Tier 3 capital must not exceed total Tier 1 capital.
- Tier 2: Supplementary Capital
- CA-2.2.2- Long-term subordinated term debt may not comprise more than 50% of Tier 1 (see Paragraph CA-1.1.5A). Amended: January 2013
 
- CA-2.2.3- Rule CA-2.1.8(h) sets out the requirements regarding long-term subordinated debt. Amended: January 2012
- Tier 3: Ancillary Capital
- CA-2.2.4- Tier 3 capital may only be used to satisfy an investment firm's Position Risk Requirement (PRR). It is limited to 250% of the portion of Tier 1 capital also used to meet the Position Risk Requirement (PRR). 
- CA-2.2.5- Tier 2 elements may be substituted for Tier 3 up to the Tier 3 limit of 250% (cf. Rule CA-2.2.4), in so far as eligible Tier 2 capital does not exceed total Tier 1 capital, and long-term subordinated debt does not exceed 50% of Tier 1 capital. 
- CA-2.2.6- Investment firm licensees may hold capital elements in excess of the above limits, but any excess is ignored for the purposes of calculating- Regulatory Capital .
